Home / 81,912,425.57-113,038,383.11-44,742,691.61

Finding the Fourth Proportional to 81,912,425.57, 113,038,383.11 and 44,742,691.61

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Solution

The fourth proportional to 81,912,425.57, 113,038,383.11 and 44,742,691.61 is: 61,744,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,912,425.57 : 113,038,383.11 = 44,742,691.61 : x
  2. Step 2: Convert to fraction form
    81,912,425.57/113,038,383.11 = 44,742,691.61/x
  3. Step 3: Cross multiply
    81,912,425.57x = 113,038,383.11 × 44,742,691.61
  4. Step 4: Simplify right side
    81,912,425.57x = 5,057,641,516,106,047
  5. Step 5: Solve for x
    x = 5,057,641,516,106,047/81,912,425.57
  6. Step 6: Final answer
    x = 61,744,497.02

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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.