Home / 125,192,083.80-172,565,456.44-98,687,214.34

Finding the Fourth Proportional to 125,192,083.80, 172,565,456.44 and 98,687,214.34

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Solution

The fourth proportional to 125,192,083.80, 172,565,456.44 and 98,687,214.34 is: 136,030,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,192,083.80 : 172,565,456.44 = 98,687,214.34 : x
  2. Step 2: Convert to fraction form
    125,192,083.80/172,565,456.44 = 98,687,214.34/x
  3. Step 3: Cross multiply
    125,192,083.80x = 172,565,456.44 × 98,687,214.34
  4. Step 4: Simplify right side
    125,192,083.80x = 17,030,004,187,374,214
  5. Step 5: Solve for x
    x = 17,030,004,187,374,214/125,192,083.80
  6. Step 6: Final answer
    x = 136,030,998.69

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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.