Home / 69,201,152.10-103,801,728.15-40,432,479.30

Finding the Fourth Proportional to 69,201,152.10, 103,801,728.15 and 40,432,479.30

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Solution

The fourth proportional to 69,201,152.10, 103,801,728.15 and 40,432,479.30 is: 60,648,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201,152.10 : 103,801,728.15 = 40,432,479.30 : x
  2. Step 2: Convert to fraction form
    69,201,152.10/103,801,728.15 = 40,432,479.30/x
  3. Step 3: Cross multiply
    69,201,152.10x = 103,801,728.15 × 40,432,479.30
  4. Step 4: Simplify right side
    69,201,152.10x = 4,196,961,224,729,102
  5. Step 5: Solve for x
    x = 4,196,961,224,729,102/69,201,152.10
  6. Step 6: Final answer
    x = 60,648,718.95

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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.