Home / 72,005,104.20-99,356,354.52-43,732,764.76

Finding the Fourth Proportional to 72,005,104.20, 99,356,354.52 and 43,732,764.76

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Solution

The fourth proportional to 72,005,104.20, 99,356,354.52 and 43,732,764.76 is: 60,344,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005,104.20 : 99,356,354.52 = 43,732,764.76 : x
  2. Step 2: Convert to fraction form
    72,005,104.20/99,356,354.52 = 43,732,764.76/x
  3. Step 3: Cross multiply
    72,005,104.20x = 99,356,354.52 × 43,732,764.76
  4. Step 4: Simplify right side
    72,005,104.20x = 4,345,128,079,634,322.50
  5. Step 5: Solve for x
    x = 4,345,128,079,634,322.50/72,005,104.20
  6. Step 6: Final answer
    x = 60,344,723.17

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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.