Home / 152,080,495,981.20-228,120,743,971.80-139,009,052,422.80

Finding the Fourth Proportional to 152,080,495,981.20, 228,120,743,971.80 and 139,009,052,422.80

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Solution

The fourth proportional to 152,080,495,981.20, 228,120,743,971.80 and 139,009,052,422.80 is: 208,513,578,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080,495,981.20 : 228,120,743,971.80 = 139,009,052,422.80 : x
  2. Step 2: Convert to fraction form
    152,080,495,981.20/228,120,743,971.80 = 139,009,052,422.80/x
  3. Step 3: Cross multiply
    152,080,495,981.20x = 228,120,743,971.80 × 139,009,052,422.80
  4. Step 4: Simplify right side
    152,080,495,981.20x = 31,710,848,457,504,077,119,488
  5. Step 5: Solve for x
    x = 31,710,848,457,504,077,119,488/152,080,495,981.20
  6. Step 6: Final answer
    x = 208,513,578,634.20

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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.