Home / 72,036,724.61-99,410,658.82-38,996,949.22

Finding the Fourth Proportional to 72,036,724.61, 99,410,658.82 and 38,996,949.22

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Solution

The fourth proportional to 72,036,724.61, 99,410,658.82 and 38,996,949.22 is: 53,815,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,724.61 : 99,410,658.82 = 38,996,949.22 : x
  2. Step 2: Convert to fraction form
    72,036,724.61/99,410,658.82 = 38,996,949.22/x
  3. Step 3: Cross multiply
    72,036,724.61x = 99,410,658.82 × 38,996,949.22
  4. Step 4: Simplify right side
    72,036,724.61x = 3,876,712,413,584,266
  5. Step 5: Solve for x
    x = 3,876,712,413,584,266/72,036,724.61
  6. Step 6: Final answer
    x = 53,815,778.47

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1.5x scale

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.