Home / 124,318,803.40-186,478,205.10-75,945,862.60

Finding the Fourth Proportional to 124,318,803.40, 186,478,205.10 and 75,945,862.60

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Solution

The fourth proportional to 124,318,803.40, 186,478,205.10 and 75,945,862.60 is: 113,918,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318,803.40 : 186,478,205.10 = 75,945,862.60 : x
  2. Step 2: Convert to fraction form
    124,318,803.40/186,478,205.10 = 75,945,862.60/x
  3. Step 3: Cross multiply
    124,318,803.40x = 186,478,205.10 × 75,945,862.60
  4. Step 4: Simplify right side
    124,318,803.40x = 14,162,248,142,419,218
  5. Step 5: Solve for x
    x = 14,162,248,142,419,218/124,318,803.40
  6. Step 6: Final answer
    x = 113,918,793.90

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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.