Home / 345,161,755.77-517,744,569.20-115,130,208.93

Finding the Fourth Proportional to 345,161,755.77, 517,744,569.20 and 115,130,208.93

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Solution

The fourth proportional to 345,161,755.77, 517,744,569.20 and 115,130,208.93 is: 172,695,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,161,755.77 : 517,744,569.20 = 115,130,208.93 : x
  2. Step 2: Convert to fraction form
    345,161,755.77/517,744,569.20 = 115,130,208.93/x
  3. Step 3: Cross multiply
    345,161,755.77x = 517,744,569.20 × 115,130,208.93
  4. Step 4: Simplify right side
    345,161,755.77x = 59,608,040,423,793,192
  5. Step 5: Solve for x
    x = 59,608,040,423,793,192/345,161,755.77
  6. Step 6: Final answer
    x = 172,695,959.00

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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.