Home / 80,853,431.70-121,280,147.55-29,724,870.90

Finding the Fourth Proportional to 80,853,431.70, 121,280,147.55 and 29,724,870.90

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Solution

The fourth proportional to 80,853,431.70, 121,280,147.55 and 29,724,870.90 is: 44,587,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,431.70 : 121,280,147.55 = 29,724,870.90 : x
  2. Step 2: Convert to fraction form
    80,853,431.70/121,280,147.55 = 29,724,870.90/x
  3. Step 3: Cross multiply
    80,853,431.70x = 121,280,147.55 × 29,724,870.90
  4. Step 4: Simplify right side
    80,853,431.70x = 3,605,036,728,656,701
  5. Step 5: Solve for x
    x = 3,605,036,728,656,701/80,853,431.70
  6. Step 6: Final answer
    x = 44,587,306.35

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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.