Home / 72,680,429.04-109,020,643.68-29,539,524.96

Finding the Fourth Proportional to 72,680,429.04, 109,020,643.68 and 29,539,524.96

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Solution

The fourth proportional to 72,680,429.04, 109,020,643.68 and 29,539,524.96 is: 44,309,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,680,429.04 : 109,020,643.68 = 29,539,524.96 : x
  2. Step 2: Convert to fraction form
    72,680,429.04/109,020,643.68 = 29,539,524.96/x
  3. Step 3: Cross multiply
    72,680,429.04x = 109,020,643.68 × 29,539,524.96
  4. Step 4: Simplify right side
    72,680,429.04x = 3,220,418,025,140,626.50
  5. Step 5: Solve for x
    x = 3,220,418,025,140,626.50/72,680,429.04
  6. Step 6: Final answer
    x = 44,309,287.49

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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.