Home / 112,690,211.57-169,092,963.94-53,669,407.47

Finding the Fourth Proportional to 112,690,211.57, 169,092,963.94 and 53,669,407.47

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Solution

The fourth proportional to 112,690,211.57, 169,092,963.94 and 53,669,407.47 is: 80,531,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,690,211.57 : 169,092,963.94 = 53,669,407.47 : x
  2. Step 2: Convert to fraction form
    112,690,211.57/169,092,963.94 = 53,669,407.47/x
  3. Step 3: Cross multiply
    112,690,211.57x = 169,092,963.94 × 53,669,407.47
  4. Step 4: Simplify right side
    112,690,211.57x = 9,075,119,182,005,876
  5. Step 5: Solve for x
    x = 9,075,119,182,005,876/112,690,211.57
  6. Step 6: Final answer
    x = 80,531,565.75

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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.