Home / 108,612,142.80-162,918,214.20-62,695,640.40

Finding the Fourth Proportional to 108,612,142.80, 162,918,214.20 and 62,695,640.40

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Solution

The fourth proportional to 108,612,142.80, 162,918,214.20 and 62,695,640.40 is: 94,043,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,142.80 : 162,918,214.20 = 62,695,640.40 : x
  2. Step 2: Convert to fraction form
    108,612,142.80/162,918,214.20 = 62,695,640.40/x
  3. Step 3: Cross multiply
    108,612,142.80x = 162,918,214.20 × 62,695,640.40
  4. Step 4: Simplify right side
    108,612,142.80x = 10,214,261,772,093,372
  5. Step 5: Solve for x
    x = 10,214,261,772,093,372/108,612,142.80
  6. Step 6: Final answer
    x = 94,043,460.60

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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.