Home / 216,536,134.89-324,674,490.42-68,919,931.86

Finding the Fourth Proportional to 216,536,134.89, 324,674,490.42 and 68,919,931.86

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Solution

The fourth proportional to 216,536,134.89, 324,674,490.42 and 68,919,931.86 is: 103,338,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,536,134.89 : 324,674,490.42 = 68,919,931.86 : x
  2. Step 2: Convert to fraction form
    216,536,134.89/324,674,490.42 = 68,919,931.86/x
  3. Step 3: Cross multiply
    216,536,134.89x = 324,674,490.42 × 68,919,931.86
  4. Step 4: Simplify right side
    216,536,134.89x = 22,376,543,755,015,432
  5. Step 5: Solve for x
    x = 22,376,543,755,015,432/216,536,134.89
  6. Step 6: Final answer
    x = 103,338,612.59

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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.