Home / 126,564,107.29-189,864,353.36-39,132,442.72

Finding the Fourth Proportional to 126,564,107.29, 189,864,353.36 and 39,132,442.72

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Solution

The fourth proportional to 126,564,107.29, 189,864,353.36 and 39,132,442.72 is: 58,704,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,564,107.29 : 189,864,353.36 = 39,132,442.72 : x
  2. Step 2: Convert to fraction form
    126,564,107.29/189,864,353.36 = 39,132,442.72/x
  3. Step 3: Cross multiply
    126,564,107.29x = 189,864,353.36 × 39,132,442.72
  4. Step 4: Simplify right side
    126,564,107.29x = 7,429,855,932,234,377
  5. Step 5: Solve for x
    x = 7,429,855,932,234,377/126,564,107.29
  6. Step 6: Final answer
    x = 58,704,289.01

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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.