Home / 69,239,626.80-103,775,459.40-30,860,401.20

Finding the Fourth Proportional to 69,239,626.80, 103,775,459.40 and 30,860,401.20

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Solution

The fourth proportional to 69,239,626.80, 103,775,459.40 and 30,860,401.20 is: 46,253,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,239,626.80 : 103,775,459.40 = 30,860,401.20 : x
  2. Step 2: Convert to fraction form
    69,239,626.80/103,775,459.40 = 30,860,401.20/x
  3. Step 3: Cross multiply
    69,239,626.80x = 103,775,459.40 × 30,860,401.20
  4. Step 4: Simplify right side
    69,239,626.80x = 3,202,552,311,798,311.50
  5. Step 5: Solve for x
    x = 3,202,552,311,798,311.50/69,239,626.80
  6. Step 6: Final answer
    x = 46,253,171.19

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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.