Home / 107,979,288.68-149,011,015.02-58,419,503.48

Finding the Fourth Proportional to 107,979,288.68, 149,011,015.02 and 58,419,503.48

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Solution

The fourth proportional to 107,979,288.68, 149,011,015.02 and 58,419,503.48 is: 80,618,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,979,288.68 : 149,011,015.02 = 58,419,503.48 : x
  2. Step 2: Convert to fraction form
    107,979,288.68/149,011,015.02 = 58,419,503.48/x
  3. Step 3: Cross multiply
    107,979,288.68x = 149,011,015.02 × 58,419,503.48
  4. Step 4: Simplify right side
    107,979,288.68x = 8,705,149,510,519,222
  5. Step 5: Solve for x
    x = 8,705,149,510,519,222/107,979,288.68
  6. Step 6: Final answer
    x = 80,618,696.58

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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.