Home / 86,016,003.40-129,024,005.10-48,188,624.20

Finding the Fourth Proportional to 86,016,003.40, 129,024,005.10 and 48,188,624.20

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Solution

The fourth proportional to 86,016,003.40, 129,024,005.10 and 48,188,624.20 is: 72,282,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,016,003.40 : 129,024,005.10 = 48,188,624.20 : x
  2. Step 2: Convert to fraction form
    86,016,003.40/129,024,005.10 = 48,188,624.20/x
  3. Step 3: Cross multiply
    86,016,003.40x = 129,024,005.10 × 48,188,624.20
  4. Step 4: Simplify right side
    86,016,003.40x = 6,217,489,294,542,784
  5. Step 5: Solve for x
    x = 6,217,489,294,542,784/86,016,003.40
  6. Step 6: Final answer
    x = 72,282,936.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.