Home / 81,686,006.74-112,726,691.64-45,016,577.74

Finding the Fourth Proportional to 81,686,006.74, 112,726,691.64 and 45,016,577.74

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Solution

The fourth proportional to 81,686,006.74, 112,726,691.64 and 45,016,577.74 is: 62,122,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,686,006.74 : 112,726,691.64 = 45,016,577.74 : x
  2. Step 2: Convert to fraction form
    81,686,006.74/112,726,691.64 = 45,016,577.74/x
  3. Step 3: Cross multiply
    81,686,006.74x = 112,726,691.64 × 45,016,577.74
  4. Step 4: Simplify right side
    81,686,006.74x = 5,074,569,877,585,068
  5. Step 5: Solve for x
    x = 5,074,569,877,585,068/81,686,006.74
  6. Step 6: Final answer
    x = 62,122,878.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.