Home / 108,866,400.30-163,299,600.45-97,780,934.70

Finding the Fourth Proportional to 108,866,400.30, 163,299,600.45 and 97,780,934.70

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Solution

The fourth proportional to 108,866,400.30, 163,299,600.45 and 97,780,934.70 is: 146,671,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,400.30 : 163,299,600.45 = 97,780,934.70 : x
  2. Step 2: Convert to fraction form
    108,866,400.30/163,299,600.45 = 97,780,934.70/x
  3. Step 3: Cross multiply
    108,866,400.30x = 163,299,600.45 × 97,780,934.70
  4. Step 4: Simplify right side
    108,866,400.30x = 15,967,587,568,137,540
  5. Step 5: Solve for x
    x = 15,967,587,568,137,540/108,866,400.30
  6. Step 6: Final answer
    x = 146,671,402.05

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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.