Home / 87,522,368.90-131,401,748.55-51,168,013.70

Finding the Fourth Proportional to 87,522,368.90, 131,401,748.55 and 51,168,013.70

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Solution

The fourth proportional to 87,522,368.90, 131,401,748.55 and 51,168,013.70 is: 76,821,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,522,368.90 : 131,401,748.55 = 51,168,013.70 : x
  2. Step 2: Convert to fraction form
    87,522,368.90/131,401,748.55 = 51,168,013.70/x
  3. Step 3: Cross multiply
    87,522,368.90x = 131,401,748.55 × 51,168,013.70
  4. Step 4: Simplify right side
    87,522,368.90x = 6,723,566,470,010,355
  5. Step 5: Solve for x
    x = 6,723,566,470,010,355/87,522,368.90
  6. Step 6: Final answer
    x = 76,821,120.75

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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.