Home / 172,604,909.76-238,202,016.48-99,266,110.08

Finding the Fourth Proportional to 172,604,909.76, 238,202,016.48 and 99,266,110.08

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Solution

The fourth proportional to 172,604,909.76, 238,202,016.48 and 99,266,110.08 is: 136,991,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,604,909.76 : 238,202,016.48 = 99,266,110.08 : x
  2. Step 2: Convert to fraction form
    172,604,909.76/238,202,016.48 = 99,266,110.08/x
  3. Step 3: Cross multiply
    172,604,909.76x = 238,202,016.48 × 99,266,110.08
  4. Step 4: Simplify right side
    172,604,909.76x = 23,645,387,589,181,652
  5. Step 5: Solve for x
    x = 23,645,387,589,181,652/172,604,909.76
  6. Step 6: Final answer
    x = 136,991,396.26

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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.