Home / 116,979,701.76-161,433,695.52-67,392,720

Finding the Fourth Proportional to 116,979,701.76, 161,433,695.52 and 67,392,720

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Solution

The fourth proportional to 116,979,701.76, 161,433,695.52 and 67,392,720 is: 93,002,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,701.76 : 161,433,695.52 = 67,392,720 : x
  2. Step 2: Convert to fraction form
    116,979,701.76/161,433,695.52 = 67,392,720/x
  3. Step 3: Cross multiply
    116,979,701.76x = 161,433,695.52 × 67,392,720
  4. Step 4: Simplify right side
    116,979,701.76x = 10,879,455,840,744,616
  5. Step 5: Solve for x
    x = 10,879,455,840,744,616/116,979,701.76
  6. Step 6: Final answer
    x = 93,002,937.07

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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.