Home / 107,719,389.32-161,818,232.46-66,809,061.20

Finding the Fourth Proportional to 107,719,389.32, 161,818,232.46 and 66,809,061.20

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Solution

The fourth proportional to 107,719,389.32, 161,818,232.46 and 66,809,061.20 is: 100,361,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719,389.32 : 161,818,232.46 = 66,809,061.20 : x
  2. Step 2: Convert to fraction form
    107,719,389.32/161,818,232.46 = 66,809,061.20/x
  3. Step 3: Cross multiply
    107,719,389.32x = 161,818,232.46 × 66,809,061.20
  4. Step 4: Simplify right side
    107,719,389.32x = 10,810,924,195,695,968
  5. Step 5: Solve for x
    x = 10,810,924,195,695,968/107,719,389.32
  6. Step 6: Final answer
    x = 100,361,915.01

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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.