Home / 172,998,830.04-238,739,017.90-93,613,891.92

Finding the Fourth Proportional to 172,998,830.04, 238,739,017.90 and 93,613,891.92

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Solution

The fourth proportional to 172,998,830.04, 238,739,017.90 and 93,613,891.92 is: 129,187,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,998,830.04 : 238,739,017.90 = 93,613,891.92 : x
  2. Step 2: Convert to fraction form
    172,998,830.04/238,739,017.90 = 93,613,891.92/x
  3. Step 3: Cross multiply
    172,998,830.04x = 238,739,017.90 × 93,613,891.92
  4. Step 4: Simplify right side
    172,998,830.04x = 22,349,288,618,777,548
  5. Step 5: Solve for x
    x = 22,349,288,618,777,548/172,998,830.04
  6. Step 6: Final answer
    x = 129,187,513.08

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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.