Home / 72,758,766.90-109,153,313.55-24,251,690.10

Finding the Fourth Proportional to 72,758,766.90, 109,153,313.55 and 24,251,690.10

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Solution

The fourth proportional to 72,758,766.90, 109,153,313.55 and 24,251,690.10 is: 36,382,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,758,766.90 : 109,153,313.55 = 24,251,690.10 : x
  2. Step 2: Convert to fraction form
    72,758,766.90/109,153,313.55 = 24,251,690.10/x
  3. Step 3: Cross multiply
    72,758,766.90x = 109,153,313.55 × 24,251,690.10
  4. Step 4: Simplify right side
    72,758,766.90x = 2,647,152,333,602,731
  5. Step 5: Solve for x
    x = 2,647,152,333,602,731/72,758,766.90
  6. Step 6: Final answer
    x = 36,382,589.29

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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.