Home / 160,581,731.68-221,553,968.88-90,956,049.76

Finding the Fourth Proportional to 160,581,731.68, 221,553,968.88 and 90,956,049.76

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Solution

The fourth proportional to 160,581,731.68, 221,553,968.88 and 90,956,049.76 is: 125,491,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,581,731.68 : 221,553,968.88 = 90,956,049.76 : x
  2. Step 2: Convert to fraction form
    160,581,731.68/221,553,968.88 = 90,956,049.76/x
  3. Step 3: Cross multiply
    160,581,731.68x = 221,553,968.88 × 90,956,049.76
  4. Step 4: Simplify right side
    160,581,731.68x = 20,151,673,817,974,772
  5. Step 5: Solve for x
    x = 20,151,673,817,974,772/160,581,731.68
  6. Step 6: Final answer
    x = 125,491,695.77

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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.