Home / 114,970,864.40-172,172,861.40-76,423,677.20

Finding the Fourth Proportional to 114,970,864.40, 172,172,861.40 and 76,423,677.20

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Solution

The fourth proportional to 114,970,864.40, 172,172,861.40 and 76,423,677.20 is: 114,447,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,970,864.40 : 172,172,861.40 = 76,423,677.20 : x
  2. Step 2: Convert to fraction form
    114,970,864.40/172,172,861.40 = 76,423,677.20/x
  3. Step 3: Cross multiply
    114,970,864.40x = 172,172,861.40 × 76,423,677.20
  4. Step 4: Simplify right side
    114,970,864.40x = 13,158,083,182,233,942
  5. Step 5: Solve for x
    x = 13,158,083,182,233,942/114,970,864.40
  6. Step 6: Final answer
    x = 114,447,110.15

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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.