Home / 78,893,332.56-118,127,351.16-51,531,869.52

Finding the Fourth Proportional to 78,893,332.56, 118,127,351.16 and 51,531,869.52

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Solution

The fourth proportional to 78,893,332.56, 118,127,351.16 and 51,531,869.52 is: 77,158,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893,332.56 : 118,127,351.16 = 51,531,869.52 : x
  2. Step 2: Convert to fraction form
    78,893,332.56/118,127,351.16 = 51,531,869.52/x
  3. Step 3: Cross multiply
    78,893,332.56x = 118,127,351.16 × 51,531,869.52
  4. Step 4: Simplify right side
    78,893,332.56x = 6,087,323,246,720,341
  5. Step 5: Solve for x
    x = 6,087,323,246,720,341/78,893,332.56
  6. Step 6: Final answer
    x = 77,158,906.20

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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.