Home / 108,645,335.60-162,968,003.40-83,136,167.60

Finding the Fourth Proportional to 108,645,335.60, 162,968,003.40 and 83,136,167.60

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Solution

The fourth proportional to 108,645,335.60, 162,968,003.40 and 83,136,167.60 is: 124,704,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,335.60 : 162,968,003.40 = 83,136,167.60 : x
  2. Step 2: Convert to fraction form
    108,645,335.60/162,968,003.40 = 83,136,167.60/x
  3. Step 3: Cross multiply
    108,645,335.60x = 162,968,003.40 × 83,136,167.60
  4. Step 4: Simplify right side
    108,645,335.60x = 13,548,535,244,099,770
  5. Step 5: Solve for x
    x = 13,548,535,244,099,770/108,645,335.60
  6. Step 6: Final answer
    x = 124,704,251.40

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Double scale
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Similar ratio
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1.5x scale

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.