Home / 80,541,656.44-120,763,041.82-31,300,014.13

Finding the Fourth Proportional to 80,541,656.44, 120,763,041.82 and 31,300,014.13

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Solution

The fourth proportional to 80,541,656.44, 120,763,041.82 and 31,300,014.13 is: 46,930,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541,656.44 : 120,763,041.82 = 31,300,014.13 : x
  2. Step 2: Convert to fraction form
    80,541,656.44/120,763,041.82 = 31,300,014.13/x
  3. Step 3: Cross multiply
    80,541,656.44x = 120,763,041.82 × 31,300,014.13
  4. Step 4: Simplify right side
    80,541,656.44x = 3,779,884,914,967,623.50
  5. Step 5: Solve for x
    x = 3,779,884,914,967,623.50/80,541,656.44
  6. Step 6: Final answer
    x = 46,930,806.77

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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.