Home / 108,815,516.70-163,010,698.65-65,556,219.30

Finding the Fourth Proportional to 108,815,516.70, 163,010,698.65 and 65,556,219.30

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Solution

The fourth proportional to 108,815,516.70, 163,010,698.65 and 65,556,219.30 is: 98,206,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,815,516.70 : 163,010,698.65 = 65,556,219.30 : x
  2. Step 2: Convert to fraction form
    108,815,516.70/163,010,698.65 = 65,556,219.30/x
  3. Step 3: Cross multiply
    108,815,516.70x = 163,010,698.65 × 65,556,219.30
  4. Step 4: Simplify right side
    108,815,516.70x = 10,686,365,108,945,614
  5. Step 5: Solve for x
    x = 10,686,365,108,945,614/108,815,516.70
  6. Step 6: Final answer
    x = 98,206,261.69

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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.