Home / 72,776,723.70-109,165,085.55-61,817,229.30

Finding the Fourth Proportional to 72,776,723.70, 109,165,085.55 and 61,817,229.30

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Solution

The fourth proportional to 72,776,723.70, 109,165,085.55 and 61,817,229.30 is: 92,725,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776,723.70 : 109,165,085.55 = 61,817,229.30 : x
  2. Step 2: Convert to fraction form
    72,776,723.70/109,165,085.55 = 61,817,229.30/x
  3. Step 3: Cross multiply
    72,776,723.70x = 109,165,085.55 × 61,817,229.30
  4. Step 4: Simplify right side
    72,776,723.70x = 6,748,283,124,998,466
  5. Step 5: Solve for x
    x = 6,748,283,124,998,466/72,776,723.70
  6. Step 6: Final answer
    x = 92,725,843.95

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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.