Home / 79,146,565.20-118,719,847.80-58,739,230.80

Finding the Fourth Proportional to 79,146,565.20, 118,719,847.80 and 58,739,230.80

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Solution

The fourth proportional to 79,146,565.20, 118,719,847.80 and 58,739,230.80 is: 88,108,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146,565.20 : 118,719,847.80 = 58,739,230.80 : x
  2. Step 2: Convert to fraction form
    79,146,565.20/118,719,847.80 = 58,739,230.80/x
  3. Step 3: Cross multiply
    79,146,565.20x = 118,719,847.80 × 58,739,230.80
  4. Step 4: Simplify right side
    79,146,565.20x = 6,973,512,540,465,072
  5. Step 5: Solve for x
    x = 6,973,512,540,465,072/79,146,565.20
  6. Step 6: Final answer
    x = 88,108,846.20

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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.