Home / 192,387,655.90-288,581,483.85-172,904,110.30

Finding the Fourth Proportional to 192,387,655.90, 288,581,483.85 and 172,904,110.30

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Solution

The fourth proportional to 192,387,655.90, 288,581,483.85 and 172,904,110.30 is: 259,356,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,387,655.90 : 288,581,483.85 = 172,904,110.30 : x
  2. Step 2: Convert to fraction form
    192,387,655.90/288,581,483.85 = 172,904,110.30/x
  3. Step 3: Cross multiply
    192,387,655.90x = 288,581,483.85 × 172,904,110.30
  4. Step 4: Simplify right side
    192,387,655.90x = 49,896,924,714,138,080
  5. Step 5: Solve for x
    x = 49,896,924,714,138,080/192,387,655.90
  6. Step 6: Final answer
    x = 259,356,165.45

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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.