Home / 120,185,359.20-180,466,995.60-69,167,023.20

Finding the Fourth Proportional to 120,185,359.20, 180,466,995.60 and 69,167,023.20

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Solution

The fourth proportional to 120,185,359.20, 180,466,995.60 and 69,167,023.20 is: 103,859,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,185,359.20 : 180,466,995.60 = 69,167,023.20 : x
  2. Step 2: Convert to fraction form
    120,185,359.20/180,466,995.60 = 69,167,023.20/x
  3. Step 3: Cross multiply
    120,185,359.20x = 180,466,995.60 × 69,167,023.20
  4. Step 4: Simplify right side
    120,185,359.20x = 12,482,364,871,499,498
  5. Step 5: Solve for x
    x = 12,482,364,871,499,498/120,185,359.20
  6. Step 6: Final answer
    x = 103,859,279.99

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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.