Home / 62,217,728.67-85,836,518.60-38,972,387.55

Finding the Fourth Proportional to 62,217,728.67, 85,836,518.60 and 38,972,387.55

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Solution

The fourth proportional to 62,217,728.67, 85,836,518.60 and 38,972,387.55 is: 53,766,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,217,728.67 : 85,836,518.60 = 38,972,387.55 : x
  2. Step 2: Convert to fraction form
    62,217,728.67/85,836,518.60 = 38,972,387.55/x
  3. Step 3: Cross multiply
    62,217,728.67x = 85,836,518.60 × 38,972,387.55
  4. Step 4: Simplify right side
    62,217,728.67x = 3,345,254,068,627,121
  5. Step 5: Solve for x
    x = 3,345,254,068,627,121/62,217,728.67
  6. Step 6: Final answer
    x = 53,766,894.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.