Home / 159,006,534.72-219,429,359.22-89,392,487.64

Finding the Fourth Proportional to 159,006,534.72, 219,429,359.22 and 89,392,487.64

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Solution

The fourth proportional to 159,006,534.72, 219,429,359.22 and 89,392,487.64 is: 123,361,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,006,534.72 : 219,429,359.22 = 89,392,487.64 : x
  2. Step 2: Convert to fraction form
    159,006,534.72/219,429,359.22 = 89,392,487.64/x
  3. Step 3: Cross multiply
    159,006,534.72x = 219,429,359.22 × 89,392,487.64
  4. Step 4: Simplify right side
    159,006,534.72x = 19,615,336,281,926,972
  5. Step 5: Solve for x
    x = 19,615,336,281,926,972/159,006,534.72
  6. Step 6: Final answer
    x = 123,361,824.82

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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.