Home / 113,542,074.52-156,688,125.91-61,331,110.65

Finding the Fourth Proportional to 113,542,074.52, 156,688,125.91 and 61,331,110.65

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Solution

The fourth proportional to 113,542,074.52, 156,688,125.91 and 61,331,110.65 is: 84,636,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542,074.52 : 156,688,125.91 = 61,331,110.65 : x
  2. Step 2: Convert to fraction form
    113,542,074.52/156,688,125.91 = 61,331,110.65/x
  3. Step 3: Cross multiply
    113,542,074.52x = 156,688,125.91 × 61,331,110.65
  4. Step 4: Simplify right side
    113,542,074.52x = 9,609,856,787,574,014
  5. Step 5: Solve for x
    x = 9,609,856,787,574,014/113,542,074.52
  6. Step 6: Final answer
    x = 84,636,966.77

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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.