Home / 102,477,357.72-141,404,787.14-61,215,491.16

Finding the Fourth Proportional to 102,477,357.72, 141,404,787.14 and 61,215,491.16

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Solution

The fourth proportional to 102,477,357.72, 141,404,787.14 and 61,215,491.16 is: 84,469,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,477,357.72 : 141,404,787.14 = 61,215,491.16 : x
  2. Step 2: Convert to fraction form
    102,477,357.72/141,404,787.14 = 61,215,491.16/x
  3. Step 3: Cross multiply
    102,477,357.72x = 141,404,787.14 × 61,215,491.16
  4. Step 4: Simplify right side
    102,477,357.72x = 8,656,163,497,150,350
  5. Step 5: Solve for x
    x = 8,656,163,497,150,350/102,477,357.72
  6. Step 6: Final answer
    x = 84,469,034.82

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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.