Home / 120,384,335.10-180,576,502.65-103,065,627.90

Finding the Fourth Proportional to 120,384,335.10, 180,576,502.65 and 103,065,627.90

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Solution

The fourth proportional to 120,384,335.10, 180,576,502.65 and 103,065,627.90 is: 154,598,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,335.10 : 180,576,502.65 = 103,065,627.90 : x
  2. Step 2: Convert to fraction form
    120,384,335.10/180,576,502.65 = 103,065,627.90/x
  3. Step 3: Cross multiply
    120,384,335.10x = 180,576,502.65 × 103,065,627.90
  4. Step 4: Simplify right side
    120,384,335.10x = 18,611,230,629,608,264
  5. Step 5: Solve for x
    x = 18,611,230,629,608,264/120,384,335.10
  6. Step 6: Final answer
    x = 154,598,441.85

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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.