Home / 108,755,115.40-163,132,673.10-65,756,945.80

Finding the Fourth Proportional to 108,755,115.40, 163,132,673.10 and 65,756,945.80

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Solution

The fourth proportional to 108,755,115.40, 163,132,673.10 and 65,756,945.80 is: 98,635,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755,115.40 : 163,132,673.10 = 65,756,945.80 : x
  2. Step 2: Convert to fraction form
    108,755,115.40/163,132,673.10 = 65,756,945.80/x
  3. Step 3: Cross multiply
    108,755,115.40x = 163,132,673.10 × 65,756,945.80
  4. Step 4: Simplify right side
    108,755,115.40x = 10,727,106,343,245,818
  5. Step 5: Solve for x
    x = 10,727,106,343,245,818/108,755,115.40
  6. Step 6: Final answer
    x = 98,635,418.70

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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.