Home / 87,203,722.40-120,341,082.11-48,045,498.77

Finding the Fourth Proportional to 87,203,722.40, 120,341,082.11 and 48,045,498.77

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Solution

The fourth proportional to 87,203,722.40, 120,341,082.11 and 48,045,498.77 is: 66,302,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,203,722.40 : 120,341,082.11 = 48,045,498.77 : x
  2. Step 2: Convert to fraction form
    87,203,722.40/120,341,082.11 = 48,045,498.77/x
  3. Step 3: Cross multiply
    87,203,722.40x = 120,341,082.11 × 48,045,498.77
  4. Step 4: Simplify right side
    87,203,722.40x = 5,781,847,312,557,100
  5. Step 5: Solve for x
    x = 5,781,847,312,557,100/87,203,722.40
  6. Step 6: Final answer
    x = 66,302,758.11

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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.