Home / 87,160,426.56-120,276,720.45-47,994,558.84

Finding the Fourth Proportional to 87,160,426.56, 120,276,720.45 and 47,994,558.84

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Solution

The fourth proportional to 87,160,426.56, 120,276,720.45 and 47,994,558.84 is: 66,229,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160,426.56 : 120,276,720.45 = 47,994,558.84 : x
  2. Step 2: Convert to fraction form
    87,160,426.56/120,276,720.45 = 47,994,558.84/x
  3. Step 3: Cross multiply
    87,160,426.56x = 120,276,720.45 × 47,994,558.84
  4. Step 4: Simplify right side
    87,160,426.56x = 5,772,628,136,719,757
  5. Step 5: Solve for x
    x = 5,772,628,136,719,757/87,160,426.56
  6. Step 6: Final answer
    x = 66,229,920.67

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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.