Home / 131,134,566.87-196,699,149.36-43,702,432.20

Finding the Fourth Proportional to 131,134,566.87, 196,699,149.36 and 43,702,432.20

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Solution

The fourth proportional to 131,134,566.87, 196,699,149.36 and 43,702,432.20 is: 65,552,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,566.87 : 196,699,149.36 = 43,702,432.20 : x
  2. Step 2: Convert to fraction form
    131,134,566.87/196,699,149.36 = 43,702,432.20/x
  3. Step 3: Cross multiply
    131,134,566.87x = 196,699,149.36 × 43,702,432.20
  4. Step 4: Simplify right side
    131,134,566.87x = 8,596,231,238,703,075
  5. Step 5: Solve for x
    x = 8,596,231,238,703,075/131,134,566.87
  6. Step 6: Final answer
    x = 65,552,748.17

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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.