Home / 108,489,195.60-162,733,793.40-65,407,045.20

Finding the Fourth Proportional to 108,489,195.60, 162,733,793.40 and 65,407,045.20

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Solution

The fourth proportional to 108,489,195.60, 162,733,793.40 and 65,407,045.20 is: 98,110,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,489,195.60 : 162,733,793.40 = 65,407,045.20 : x
  2. Step 2: Convert to fraction form
    108,489,195.60/162,733,793.40 = 65,407,045.20/x
  3. Step 3: Cross multiply
    108,489,195.60x = 162,733,793.40 × 65,407,045.20
  4. Step 4: Simplify right side
    108,489,195.60x = 10,643,936,580,481,262
  5. Step 5: Solve for x
    x = 10,643,936,580,481,262/108,489,195.60
  6. Step 6: Final answer
    x = 98,110,567.80

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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.