Home / 178,737,508.95-268,105,869.25-47,579,813.88

Finding the Fourth Proportional to 178,737,508.95, 268,105,869.25 and 47,579,813.88

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Solution

The fourth proportional to 178,737,508.95, 268,105,869.25 and 47,579,813.88 is: 71,369,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737,508.95 : 268,105,869.25 = 47,579,813.88 : x
  2. Step 2: Convert to fraction form
    178,737,508.95/268,105,869.25 = 47,579,813.88/x
  3. Step 3: Cross multiply
    178,737,508.95x = 268,105,869.25 × 47,579,813.88
  4. Step 4: Simplify right side
    178,737,508.95x = 12,756,427,358,931,666
  5. Step 5: Solve for x
    x = 12,756,427,358,931,666/178,737,508.95
  6. Step 6: Final answer
    x = 71,369,615.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.