Home / 104,024,821.60-143,650,750.08-77,873,939.20

Finding the Fourth Proportional to 104,024,821.60, 143,650,750.08 and 77,873,939.20

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Solution

The fourth proportional to 104,024,821.60, 143,650,750.08 and 77,873,939.20 is: 107,538,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,024,821.60 : 143,650,750.08 = 77,873,939.20 : x
  2. Step 2: Convert to fraction form
    104,024,821.60/143,650,750.08 = 77,873,939.20/x
  3. Step 3: Cross multiply
    104,024,821.60x = 143,650,750.08 × 77,873,939.20
  4. Step 4: Simplify right side
    104,024,821.60x = 11,186,649,777,764,316
  5. Step 5: Solve for x
    x = 11,186,649,777,764,316/104,024,821.60
  6. Step 6: Final answer
    x = 107,538,274.09

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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.