Home / 108,815,348.70-163,010,446.65-65,556,051.30

Finding the Fourth Proportional to 108,815,348.70, 163,010,446.65 and 65,556,051.30

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Solution

The fourth proportional to 108,815,348.70, 163,010,446.65 and 65,556,051.30 is: 98,206,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,348.70 : 163,010,446.65 = 65,556,051.30 : x
  2. Step 2: Convert to fraction form
    108,815,348.70/163,010,446.65 = 65,556,051.30/x
  3. Step 3: Cross multiply
    108,815,348.70x = 163,010,446.65 × 65,556,051.30
  4. Step 4: Simplify right side
    108,815,348.70x = 10,686,321,203,023,314
  5. Step 5: Solve for x
    x = 10,686,321,203,023,314/108,815,348.70
  6. Step 6: Final answer
    x = 98,206,009.82

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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.