Home / 152,080,495,986.70-228,120,743,980.05-139,009,052,428.30

Finding the Fourth Proportional to 152,080,495,986.70, 228,120,743,980.05 and 139,009,052,428.30

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Solution

The fourth proportional to 152,080,495,986.70, 228,120,743,980.05 and 139,009,052,428.30 is: 208,513,578,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080,495,986.70 : 228,120,743,980.05 = 139,009,052,428.30 : x
  2. Step 2: Convert to fraction form
    152,080,495,986.70/228,120,743,980.05 = 139,009,052,428.30/x
  3. Step 3: Cross multiply
    152,080,495,986.70x = 228,120,743,980.05 × 139,009,052,428.30
  4. Step 4: Simplify right side
    152,080,495,986.70x = 31,710,848,459,905,567,817,728
  5. Step 5: Solve for x
    x = 31,710,848,459,905,567,817,728/152,080,495,986.70
  6. Step 6: Final answer
    x = 208,513,578,642.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.