Home / 108,645,531.60-162,968,297.40-83,136,363.60

Finding the Fourth Proportional to 108,645,531.60, 162,968,297.40 and 83,136,363.60

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Solution

The fourth proportional to 108,645,531.60, 162,968,297.40 and 83,136,363.60 is: 124,704,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,531.60 : 162,968,297.40 = 83,136,363.60 : x
  2. Step 2: Convert to fraction form
    108,645,531.60/162,968,297.40 = 83,136,363.60/x
  3. Step 3: Cross multiply
    108,645,531.60x = 162,968,297.40 × 83,136,363.60
  4. Step 4: Simplify right side
    108,645,531.60x = 13,548,591,627,919,334
  5. Step 5: Solve for x
    x = 13,548,591,627,919,334/108,645,531.60
  6. Step 6: Final answer
    x = 124,704,545.40

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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.