Home / 123,558,436.80-185,337,655.20-100,600,185.60

Finding the Fourth Proportional to 123,558,436.80, 185,337,655.20 and 100,600,185.60

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Solution

The fourth proportional to 123,558,436.80, 185,337,655.20 and 100,600,185.60 is: 150,900,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,558,436.80 : 185,337,655.20 = 100,600,185.60 : x
  2. Step 2: Convert to fraction form
    123,558,436.80/185,337,655.20 = 100,600,185.60/x
  3. Step 3: Cross multiply
    123,558,436.80x = 185,337,655.20 × 100,600,185.60
  4. Step 4: Simplify right side
    123,558,436.80x = 18,645,002,511,788,804
  5. Step 5: Solve for x
    x = 18,645,002,511,788,804/123,558,436.80
  6. Step 6: Final answer
    x = 150,900,278.40

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1.5x scale

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.