Home / 107,900,722.27-148,869,002.48-66,041,149.15

Finding the Fourth Proportional to 107,900,722.27, 148,869,002.48 and 66,041,149.15

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Solution

The fourth proportional to 107,900,722.27, 148,869,002.48 and 66,041,149.15 is: 91,115,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,900,722.27 : 148,869,002.48 = 66,041,149.15 : x
  2. Step 2: Convert to fraction form
    107,900,722.27/148,869,002.48 = 66,041,149.15/x
  3. Step 3: Cross multiply
    107,900,722.27x = 148,869,002.48 × 66,041,149.15
  4. Step 4: Simplify right side
    107,900,722.27x = 9,831,479,995,891,022
  5. Step 5: Solve for x
    x = 9,831,479,995,891,022/107,900,722.27
  6. Step 6: Final answer
    x = 91,115,979.48

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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.