Home / 89,329,502.70-134,010,000.45-31,855,142.70

Finding the Fourth Proportional to 89,329,502.70, 134,010,000.45 and 31,855,142.70

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Solution

The fourth proportional to 89,329,502.70, 134,010,000.45 and 31,855,142.70 is: 47,788,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329,502.70 : 134,010,000.45 = 31,855,142.70 : x
  2. Step 2: Convert to fraction form
    89,329,502.70/134,010,000.45 = 31,855,142.70/x
  3. Step 3: Cross multiply
    89,329,502.70x = 134,010,000.45 × 31,855,142.70
  4. Step 4: Simplify right side
    89,329,502.70x = 4,268,907,687,561,814
  5. Step 5: Solve for x
    x = 4,268,907,687,561,814/89,329,502.70
  6. Step 6: Final answer
    x = 47,788,329.26

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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.