Home / 87,426,687.42-120,646,423.45-48,267,752.58

Finding the Fourth Proportional to 87,426,687.42, 120,646,423.45 and 48,267,752.58

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Solution

The fourth proportional to 87,426,687.42, 120,646,423.45 and 48,267,752.58 is: 66,608,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,426,687.42 : 120,646,423.45 = 48,267,752.58 : x
  2. Step 2: Convert to fraction form
    87,426,687.42/120,646,423.45 = 48,267,752.58/x
  3. Step 3: Cross multiply
    87,426,687.42x = 120,646,423.45 × 48,267,752.58
  4. Step 4: Simplify right side
    87,426,687.42x = 5,823,331,716,143,278
  5. Step 5: Solve for x
    x = 5,823,331,716,143,278/87,426,687.42
  6. Step 6: Final answer
    x = 66,608,170.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.