Home / 111,775,686.20-167,327,606.10-66,314,079.80

Finding the Fourth Proportional to 111,775,686.20, 167,327,606.10 and 66,314,079.80

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Solution

The fourth proportional to 111,775,686.20, 167,327,606.10 and 66,314,079.80 is: 99,271,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775,686.20 : 167,327,606.10 = 66,314,079.80 : x
  2. Step 2: Convert to fraction form
    111,775,686.20/167,327,606.10 = 66,314,079.80/x
  3. Step 3: Cross multiply
    111,775,686.20x = 167,327,606.10 × 66,314,079.80
  4. Step 4: Simplify right side
    111,775,686.20x = 11,096,176,223,658,366
  5. Step 5: Solve for x
    x = 11,096,176,223,658,366/111,775,686.20
  6. Step 6: Final answer
    x = 99,271,823.78

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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.