Home / 80,391,416.80-110,940,209.90-45,104,350.67

Finding the Fourth Proportional to 80,391,416.80, 110,940,209.90 and 45,104,350.67

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Solution

The fourth proportional to 80,391,416.80, 110,940,209.90 and 45,104,350.67 is: 62,244,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,391,416.80 : 110,940,209.90 = 45,104,350.67 : x
  2. Step 2: Convert to fraction form
    80,391,416.80/110,940,209.90 = 45,104,350.67/x
  3. Step 3: Cross multiply
    80,391,416.80x = 110,940,209.90 × 45,104,350.67
  4. Step 4: Simplify right side
    80,391,416.80x = 5,003,886,130,953,976
  5. Step 5: Solve for x
    x = 5,003,886,130,953,976/80,391,416.80
  6. Step 6: Final answer
    x = 62,244,034.63

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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.