Home / 107,773,670.40-161,660,505.60-64,775,500.80

Finding the Fourth Proportional to 107,773,670.40, 161,660,505.60 and 64,775,500.80

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Solution

The fourth proportional to 107,773,670.40, 161,660,505.60 and 64,775,500.80 is: 97,163,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,773,670.40 : 161,660,505.60 = 64,775,500.80 : x
  2. Step 2: Convert to fraction form
    107,773,670.40/161,660,505.60 = 64,775,500.80/x
  3. Step 3: Cross multiply
    107,773,670.40x = 161,660,505.60 × 64,775,500.80
  4. Step 4: Simplify right side
    107,773,670.40x = 10,471,640,209,821,204
  5. Step 5: Solve for x
    x = 10,471,640,209,821,204/107,773,670.40
  6. Step 6: Final answer
    x = 97,163,251.20

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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.