Home / 140,132,144.10-193,378,612.20-77,406,892.08

Finding the Fourth Proportional to 140,132,144.10, 193,378,612.20 and 77,406,892.08

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Solution

The fourth proportional to 140,132,144.10, 193,378,612.20 and 77,406,892.08 is: 106,819,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,132,144.10 : 193,378,612.20 = 77,406,892.08 : x
  2. Step 2: Convert to fraction form
    140,132,144.10/193,378,612.20 = 77,406,892.08/x
  3. Step 3: Cross multiply
    140,132,144.10x = 193,378,612.20 × 77,406,892.08
  4. Step 4: Simplify right side
    140,132,144.10x = 14,968,837,365,145,570
  5. Step 5: Solve for x
    x = 14,968,837,365,145,570/140,132,144.10
  6. Step 6: Final answer
    x = 106,819,441.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.