Home / 212,906,920.02-293,815,376.10-124,864,418.76

Finding the Fourth Proportional to 212,906,920.02, 293,815,376.10 and 124,864,418.76

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Solution

The fourth proportional to 212,906,920.02, 293,815,376.10 and 124,864,418.76 is: 172,315,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906,920.02 : 293,815,376.10 = 124,864,418.76 : x
  2. Step 2: Convert to fraction form
    212,906,920.02/293,815,376.10 = 124,864,418.76/x
  3. Step 3: Cross multiply
    212,906,920.02x = 293,815,376.10 × 124,864,418.76
  4. Step 4: Simplify right side
    212,906,920.02x = 36,687,086,159,477,304
  5. Step 5: Solve for x
    x = 36,687,086,159,477,304/212,906,920.02
  6. Step 6: Final answer
    x = 172,315,142.02

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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.