Home / 238,914,944,713.48-329,702,755,986.81-129,049,290,267.72

Finding the Fourth Proportional to 238,914,944,713.48, 329,702,755,986.81 and 129,049,290,267.72

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Solution

The fourth proportional to 238,914,944,713.48, 329,702,755,986.81 and 129,049,290,267.72 is: 178,088,092,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914,944,713.48 : 329,702,755,986.81 = 129,049,290,267.72 : x
  2. Step 2: Convert to fraction form
    238,914,944,713.48/329,702,755,986.81 = 129,049,290,267.72/x
  3. Step 3: Cross multiply
    238,914,944,713.48x = 329,702,755,986.81 × 129,049,290,267.72
  4. Step 4: Simplify right side
    238,914,944,713.48x = 42,547,906,659,409,098,440,704
  5. Step 5: Solve for x
    x = 42,547,906,659,409,098,440,704/238,914,944,713.48
  6. Step 6: Final answer
    x = 178,088,092,021.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.