Home / 70,140,248.92-96,789,366.91-38,776,418.74

Finding the Fourth Proportional to 70,140,248.92, 96,789,366.91 and 38,776,418.74

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Solution

The fourth proportional to 70,140,248.92, 96,789,366.91 and 38,776,418.74 is: 53,509,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,140,248.92 : 96,789,366.91 = 38,776,418.74 : x
  2. Step 2: Convert to fraction form
    70,140,248.92/96,789,366.91 = 38,776,418.74/x
  3. Step 3: Cross multiply
    70,140,248.92x = 96,789,366.91 × 38,776,418.74
  4. Step 4: Simplify right side
    70,140,248.92x = 3,753,145,021,105,210
  5. Step 5: Solve for x
    x = 3,753,145,021,105,210/70,140,248.92
  6. Step 6: Final answer
    x = 53,509,148.86

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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.