Home / 125,186,402.15-187,647,070.30-42,109,066.89

Finding the Fourth Proportional to 125,186,402.15, 187,647,070.30 and 42,109,066.89

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Solution

The fourth proportional to 125,186,402.15, 187,647,070.30 and 42,109,066.89 is: 63,119,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,402.15 : 187,647,070.30 = 42,109,066.89 : x
  2. Step 2: Convert to fraction form
    125,186,402.15/187,647,070.30 = 42,109,066.89/x
  3. Step 3: Cross multiply
    125,186,402.15x = 187,647,070.30 × 42,109,066.89
  4. Step 4: Simplify right side
    125,186,402.15x = 7,901,643,034,975,233
  5. Step 5: Solve for x
    x = 7,901,643,034,975,233/125,186,402.15
  6. Step 6: Final answer
    x = 63,119,020.11

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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.