Home / 86,325,115.80-129,487,673.70-67,051,522.20

Finding the Fourth Proportional to 86,325,115.80, 129,487,673.70 and 67,051,522.20

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Solution

The fourth proportional to 86,325,115.80, 129,487,673.70 and 67,051,522.20 is: 100,577,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,115.80 : 129,487,673.70 = 67,051,522.20 : x
  2. Step 2: Convert to fraction form
    86,325,115.80/129,487,673.70 = 67,051,522.20/x
  3. Step 3: Cross multiply
    86,325,115.80x = 129,487,673.70 × 67,051,522.20
  4. Step 4: Simplify right side
    86,325,115.80x = 8,682,345,627,721,907
  5. Step 5: Solve for x
    x = 8,682,345,627,721,907/86,325,115.80
  6. Step 6: Final answer
    x = 100,577,283.30

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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.