Home / 72,036,740.50-99,410,680.91-38,996,965.15

Finding the Fourth Proportional to 72,036,740.50, 99,410,680.91 and 38,996,965.15

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Solution

The fourth proportional to 72,036,740.50, 99,410,680.91 and 38,996,965.15 is: 53,815,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,036,740.50 : 99,410,680.91 = 38,996,965.15 : x
  2. Step 2: Convert to fraction form
    72,036,740.50/99,410,680.91 = 38,996,965.15/x
  3. Step 3: Cross multiply
    72,036,740.50x = 99,410,680.91 × 38,996,965.15
  4. Step 4: Simplify right side
    72,036,740.50x = 3,876,714,858,834,006
  5. Step 5: Solve for x
    x = 3,876,714,858,834,006/72,036,740.50
  6. Step 6: Final answer
    x = 53,815,800.55

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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.