Home / 79,841,021.10-119,761,531.65-71,763,117.90

Finding the Fourth Proportional to 79,841,021.10, 119,761,531.65 and 71,763,117.90

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Solution

The fourth proportional to 79,841,021.10, 119,761,531.65 and 71,763,117.90 is: 107,644,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,021.10 : 119,761,531.65 = 71,763,117.90 : x
  2. Step 2: Convert to fraction form
    79,841,021.10/119,761,531.65 = 71,763,117.90/x
  3. Step 3: Cross multiply
    79,841,021.10x = 119,761,531.65 × 71,763,117.90
  4. Step 4: Simplify right side
    79,841,021.10x = 8,594,460,915,683,533
  5. Step 5: Solve for x
    x = 8,594,460,915,683,533/79,841,021.10
  6. Step 6: Final answer
    x = 107,644,676.85

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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.