Home / 69,209,145.60-103,813,718.40-18,096,331.20

Finding the Fourth Proportional to 69,209,145.60, 103,813,718.40 and 18,096,331.20

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Solution

The fourth proportional to 69,209,145.60, 103,813,718.40 and 18,096,331.20 is: 27,144,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209,145.60 : 103,813,718.40 = 18,096,331.20 : x
  2. Step 2: Convert to fraction form
    69,209,145.60/103,813,718.40 = 18,096,331.20/x
  3. Step 3: Cross multiply
    69,209,145.60x = 103,813,718.40 × 18,096,331.20
  4. Step 4: Simplify right side
    69,209,145.60x = 1,878,647,431,269,934
  5. Step 5: Solve for x
    x = 1,878,647,431,269,934/69,209,145.60
  6. Step 6: Final answer
    x = 27,144,496.80

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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.