Home / 152,080,495,989.70-228,120,743,984.55-139,009,052,431.30

Finding the Fourth Proportional to 152,080,495,989.70, 228,120,743,984.55 and 139,009,052,431.30

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Solution

The fourth proportional to 152,080,495,989.70, 228,120,743,984.55 and 139,009,052,431.30 is: 208,513,578,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080,495,989.70 : 228,120,743,984.55 = 139,009,052,431.30 : x
  2. Step 2: Convert to fraction form
    152,080,495,989.70/228,120,743,984.55 = 139,009,052,431.30/x
  3. Step 3: Cross multiply
    152,080,495,989.70x = 228,120,743,984.55 × 139,009,052,431.30
  4. Step 4: Simplify right side
    152,080,495,989.70x = 31,710,848,461,215,469,928,448
  5. Step 5: Solve for x
    x = 31,710,848,461,215,469,928,448/152,080,495,989.70
  6. Step 6: Final answer
    x = 208,513,578,646.95

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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.