Home / 111,776,327.20-167,328,567.60-66,314,720.80

Finding the Fourth Proportional to 111,776,327.20, 167,328,567.60 and 66,314,720.80

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Solution

The fourth proportional to 111,776,327.20, 167,328,567.60 and 66,314,720.80 is: 99,272,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,776,327.20 : 167,328,567.60 = 66,314,720.80 : x
  2. Step 2: Convert to fraction form
    111,776,327.20/167,328,567.60 = 66,314,720.80/x
  3. Step 3: Cross multiply
    111,776,327.20x = 167,328,567.60 × 66,314,720.80
  4. Step 4: Simplify right side
    111,776,327.20x = 11,096,347,242,257,926
  5. Step 5: Solve for x
    x = 11,096,347,242,257,926/111,776,327.20
  6. Step 6: Final answer
    x = 99,272,784.50

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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.