Home / 108,866,998.30-163,111,540.65-70,508,767.90

Finding the Fourth Proportional to 108,866,998.30, 163,111,540.65 and 70,508,767.90

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Solution

The fourth proportional to 108,866,998.30, 163,111,540.65 and 70,508,767.90 is: 105,640,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,998.30 : 163,111,540.65 = 70,508,767.90 : x
  2. Step 2: Convert to fraction form
    108,866,998.30/163,111,540.65 = 70,508,767.90/x
  3. Step 3: Cross multiply
    108,866,998.30x = 163,111,540.65 × 70,508,767.90
  4. Step 4: Simplify right side
    108,866,998.30x = 11,500,793,761,502,266
  5. Step 5: Solve for x
    x = 11,500,793,761,502,266/108,866,998.30
  6. Step 6: Final answer
    x = 105,640,772.14

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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.