Home / 80,073,973.20-120,110,959.80-46,061,749.20

Finding the Fourth Proportional to 80,073,973.20, 120,110,959.80 and 46,061,749.20

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Solution

The fourth proportional to 80,073,973.20, 120,110,959.80 and 46,061,749.20 is: 69,092,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,073,973.20 : 120,110,959.80 = 46,061,749.20 : x
  2. Step 2: Convert to fraction form
    80,073,973.20/120,110,959.80 = 46,061,749.20/x
  3. Step 3: Cross multiply
    80,073,973.20x = 120,110,959.80 × 46,061,749.20
  4. Step 4: Simplify right side
    80,073,973.20x = 5,532,520,906,478,882
  5. Step 5: Solve for x
    x = 5,532,520,906,478,882/80,073,973.20
  6. Step 6: Final answer
    x = 69,092,623.80

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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.