Home / 141,479,154.88-212,218,718.64-39,243,196.96

Finding the Fourth Proportional to 141,479,154.88, 212,218,718.64 and 39,243,196.96

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Solution

The fourth proportional to 141,479,154.88, 212,218,718.64 and 39,243,196.96 is: 58,864,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479,154.88 : 212,218,718.64 = 39,243,196.96 : x
  2. Step 2: Convert to fraction form
    141,479,154.88/212,218,718.64 = 39,243,196.96/x
  3. Step 3: Cross multiply
    141,479,154.88x = 212,218,718.64 × 39,243,196.96
  4. Step 4: Simplify right side
    141,479,154.88x = 8,328,140,974,188,343
  5. Step 5: Solve for x
    x = 8,328,140,974,188,343/141,479,154.88
  6. Step 6: Final answer
    x = 58,864,791.65

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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.