Home / 80,879,458.20-121,319,187.30-23,373,605.40

Finding the Fourth Proportional to 80,879,458.20, 121,319,187.30 and 23,373,605.40

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Solution

The fourth proportional to 80,879,458.20, 121,319,187.30 and 23,373,605.40 is: 35,060,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,458.20 : 121,319,187.30 = 23,373,605.40 : x
  2. Step 2: Convert to fraction form
    80,879,458.20/121,319,187.30 = 23,373,605.40/x
  3. Step 3: Cross multiply
    80,879,458.20x = 121,319,187.30 × 23,373,605.40
  4. Step 4: Simplify right side
    80,879,458.20x = 2,835,666,811,398,891
  5. Step 5: Solve for x
    x = 2,835,666,811,398,891/80,879,458.20
  6. Step 6: Final answer
    x = 35,060,408.10

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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.