Home / 108,876,387.40-163,314,581.10-98,798,691.40

Finding the Fourth Proportional to 108,876,387.40, 163,314,581.10 and 98,798,691.40

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Solution

The fourth proportional to 108,876,387.40, 163,314,581.10 and 98,798,691.40 is: 148,198,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,387.40 : 163,314,581.10 = 98,798,691.40 : x
  2. Step 2: Convert to fraction form
    108,876,387.40/163,314,581.10 = 98,798,691.40/x
  3. Step 3: Cross multiply
    108,876,387.40x = 163,314,581.10 × 98,798,691.40
  4. Step 4: Simplify right side
    108,876,387.40x = 16,135,266,899,219,172
  5. Step 5: Solve for x
    x = 16,135,266,899,219,172/108,876,387.40
  6. Step 6: Final answer
    x = 148,198,037.10

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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.