Home / 80,649,001.20-120,973,501.80-26,796,313.20

Finding the Fourth Proportional to 80,649,001.20, 120,973,501.80 and 26,796,313.20

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Solution

The fourth proportional to 80,649,001.20, 120,973,501.80 and 26,796,313.20 is: 40,194,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649,001.20 : 120,973,501.80 = 26,796,313.20 : x
  2. Step 2: Convert to fraction form
    80,649,001.20/120,973,501.80 = 26,796,313.20/x
  3. Step 3: Cross multiply
    80,649,001.20x = 120,973,501.80 × 26,796,313.20
  4. Step 4: Simplify right side
    80,649,001.20x = 3,241,643,843,133,563.50
  5. Step 5: Solve for x
    x = 3,241,643,843,133,563.50/80,649,001.20
  6. Step 6: Final answer
    x = 40,194,469.80

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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.