Home / 172,998,781.01-238,738,950.51-93,613,843.20

Finding the Fourth Proportional to 172,998,781.01, 238,738,950.51 and 93,613,843.20

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Solution

The fourth proportional to 172,998,781.01, 238,738,950.51 and 93,613,843.20 is: 129,187,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,998,781.01 : 238,738,950.51 = 93,613,843.20 : x
  2. Step 2: Convert to fraction form
    172,998,781.01/238,738,950.51 = 93,613,843.20/x
  3. Step 3: Cross multiply
    172,998,781.01x = 238,738,950.51 × 93,613,843.20
  4. Step 4: Simplify right side
    172,998,781.01x = 22,349,270,678,775,700
  5. Step 5: Solve for x
    x = 22,349,270,678,775,700/172,998,781.01
  6. Step 6: Final answer
    x = 129,187,445.99

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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.