Home / 57,062,834.76-78,746,864.58-30,957,352.59

Finding the Fourth Proportional to 57,062,834.76, 78,746,864.58 and 30,957,352.59

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Solution

The fourth proportional to 57,062,834.76, 78,746,864.58 and 30,957,352.59 is: 42,721,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,062,834.76 : 78,746,864.58 = 30,957,352.59 : x
  2. Step 2: Convert to fraction form
    57,062,834.76/78,746,864.58 = 30,957,352.59/x
  3. Step 3: Cross multiply
    57,062,834.76x = 78,746,864.58 × 30,957,352.59
  4. Step 4: Simplify right side
    57,062,834.76x = 2,437,794,452,160,042
  5. Step 5: Solve for x
    x = 2,437,794,452,160,042/57,062,834.76
  6. Step 6: Final answer
    x = 42,721,229.37

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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.