Home / 131,014,072.12-196,417,560.18-65,401,535.80

Finding the Fourth Proportional to 131,014,072.12, 196,417,560.18 and 65,401,535.80

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Solution

The fourth proportional to 131,014,072.12, 196,417,560.18 and 65,401,535.80 is: 98,050,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014,072.12 : 196,417,560.18 = 65,401,535.80 : x
  2. Step 2: Convert to fraction form
    131,014,072.12/196,417,560.18 = 65,401,535.80/x
  3. Step 3: Cross multiply
    131,014,072.12x = 196,417,560.18 × 65,401,535.80
  4. Step 4: Simplify right side
    131,014,072.12x = 12,846,010,093,860,924
  5. Step 5: Solve for x
    x = 12,846,010,093,860,924/131,014,072.12
  6. Step 6: Final answer
    x = 98,050,613.08

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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.