Home / 71,927,834.55-99,194,176.02-47,138,990.23

Finding the Fourth Proportional to 71,927,834.55, 99,194,176.02 and 47,138,990.23

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Solution

The fourth proportional to 71,927,834.55, 99,194,176.02 and 47,138,990.23 is: 65,008,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,927,834.55 : 99,194,176.02 = 47,138,990.23 : x
  2. Step 2: Convert to fraction form
    71,927,834.55/99,194,176.02 = 47,138,990.23/x
  3. Step 3: Cross multiply
    71,927,834.55x = 99,194,176.02 × 47,138,990.23
  4. Step 4: Simplify right side
    71,927,834.55x = 4,675,913,294,279,680
  5. Step 5: Solve for x
    x = 4,675,913,294,279,680/71,927,834.55
  6. Step 6: Final answer
    x = 65,008,397.98

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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.