Home / 156,337,632.59-215,746,906.52-86,727,424.91

Finding the Fourth Proportional to 156,337,632.59, 215,746,906.52 and 86,727,424.91

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Solution

The fourth proportional to 156,337,632.59, 215,746,906.52 and 86,727,424.91 is: 119,684,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,337,632.59 : 215,746,906.52 = 86,727,424.91 : x
  2. Step 2: Convert to fraction form
    156,337,632.59/215,746,906.52 = 86,727,424.91/x
  3. Step 3: Cross multiply
    156,337,632.59x = 215,746,906.52 × 86,727,424.91
  4. Step 4: Simplify right side
    156,337,632.59x = 18,711,173,633,916,176
  5. Step 5: Solve for x
    x = 18,711,173,633,916,176/156,337,632.59
  6. Step 6: Final answer
    x = 119,684,386.44

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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.