Home / 79,144,865.10-118,717,297.65-71,334,650.70

Finding the Fourth Proportional to 79,144,865.10, 118,717,297.65 and 71,334,650.70

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Solution

The fourth proportional to 79,144,865.10, 118,717,297.65 and 71,334,650.70 is: 107,001,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,144,865.10 : 118,717,297.65 = 71,334,650.70 : x
  2. Step 2: Convert to fraction form
    79,144,865.10/118,717,297.65 = 71,334,650.70/x
  3. Step 3: Cross multiply
    79,144,865.10x = 118,717,297.65 × 71,334,650.70
  4. Step 4: Simplify right side
    79,144,865.10x = 8,468,656,959,910,682
  5. Step 5: Solve for x
    x = 8,468,656,959,910,682/79,144,865.10
  6. Step 6: Final answer
    x = 107,001,976.05

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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.