Home / 86,325,114.80-129,487,672.20-67,051,521.20

Finding the Fourth Proportional to 86,325,114.80, 129,487,672.20 and 67,051,521.20

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Solution

The fourth proportional to 86,325,114.80, 129,487,672.20 and 67,051,521.20 is: 100,577,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,114.80 : 129,487,672.20 = 67,051,521.20 : x
  2. Step 2: Convert to fraction form
    86,325,114.80/129,487,672.20 = 67,051,521.20/x
  3. Step 3: Cross multiply
    86,325,114.80x = 129,487,672.20 × 67,051,521.20
  4. Step 4: Simplify right side
    86,325,114.80x = 8,682,345,397,656,951
  5. Step 5: Solve for x
    x = 8,682,345,397,656,951/86,325,114.80
  6. Step 6: Final answer
    x = 100,577,281.80

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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.