Home / 118,885,569.30-178,096,294.14-81,910,233.66

Finding the Fourth Proportional to 118,885,569.30, 178,096,294.14 and 81,910,233.66

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Solution

The fourth proportional to 118,885,569.30, 178,096,294.14 and 81,910,233.66 is: 122,705,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,885,569.30 : 178,096,294.14 = 81,910,233.66 : x
  2. Step 2: Convert to fraction form
    118,885,569.30/178,096,294.14 = 81,910,233.66/x
  3. Step 3: Cross multiply
    118,885,569.30x = 178,096,294.14 × 81,910,233.66
  4. Step 4: Simplify right side
    118,885,569.30x = 14,587,909,066,987,486
  5. Step 5: Solve for x
    x = 14,587,909,066,987,486/118,885,569.30
  6. Step 6: Final answer
    x = 122,705,465.04

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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.