Home / 107,406,099.60-161,109,149.40-66,591,430.80

Finding the Fourth Proportional to 107,406,099.60, 161,109,149.40 and 66,591,430.80

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Solution

The fourth proportional to 107,406,099.60, 161,109,149.40 and 66,591,430.80 is: 99,887,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,406,099.60 : 161,109,149.40 = 66,591,430.80 : x
  2. Step 2: Convert to fraction form
    107,406,099.60/161,109,149.40 = 66,591,430.80/x
  3. Step 3: Cross multiply
    107,406,099.60x = 161,109,149.40 × 66,591,430.80
  4. Step 4: Simplify right side
    107,406,099.60x = 10,728,488,773,516,962
  5. Step 5: Solve for x
    x = 10,728,488,773,516,962/107,406,099.60
  6. Step 6: Final answer
    x = 99,887,146.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.