Home / 56,165,082.80-84,247,624.20-45,961,415.60

Finding the Fourth Proportional to 56,165,082.80, 84,247,624.20 and 45,961,415.60

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Solution

The fourth proportional to 56,165,082.80, 84,247,624.20 and 45,961,415.60 is: 68,942,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,082.80 : 84,247,624.20 = 45,961,415.60 : x
  2. Step 2: Convert to fraction form
    56,165,082.80/84,247,624.20 = 45,961,415.60/x
  3. Step 3: Cross multiply
    56,165,082.80x = 84,247,624.20 × 45,961,415.60
  4. Step 4: Simplify right side
    56,165,082.80x = 3,872,140,069,168,818
  5. Step 5: Solve for x
    x = 3,872,140,069,168,818/56,165,082.80
  6. Step 6: Final answer
    x = 68,942,123.40

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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.