Home / 345,161,753.78-517,744,566.16-115,130,206.94

Finding the Fourth Proportional to 345,161,753.78, 517,744,566.16 and 115,130,206.94

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Solution

The fourth proportional to 345,161,753.78, 517,744,566.16 and 115,130,206.94 is: 172,695,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,161,753.78 : 517,744,566.16 = 115,130,206.94 : x
  2. Step 2: Convert to fraction form
    345,161,753.78/517,744,566.16 = 115,130,206.94/x
  3. Step 3: Cross multiply
    345,161,753.78x = 517,744,566.16 × 115,130,206.94
  4. Step 4: Simplify right side
    345,161,753.78x = 59,608,039,044,061,320
  5. Step 5: Solve for x
    x = 59,608,039,044,061,320/345,161,753.78
  6. Step 6: Final answer
    x = 172,695,956.00

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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.