Home / 238,914,944,962.66-329,702,756,331-129,049,290,517.21

Finding the Fourth Proportional to 238,914,944,962.66, 329,702,756,331 and 129,049,290,517.21

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Solution

The fourth proportional to 238,914,944,962.66, 329,702,756,331 and 129,049,290,517.21 is: 178,088,092,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914,944,962.66 : 329,702,756,331 = 129,049,290,517.21 : x
  2. Step 2: Convert to fraction form
    238,914,944,962.66/329,702,756,331 = 129,049,290,517.21/x
  3. Step 3: Cross multiply
    238,914,944,962.66x = 329,702,756,331 × 129,049,290,517.21
  4. Step 4: Simplify right side
    238,914,944,962.66x = 42,547,906,786,084,117,282,816
  5. Step 5: Solve for x
    x = 42,547,906,786,084,117,282,816/238,914,944,962.66
  6. Step 6: Final answer
    x = 178,088,092,365.82

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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.