Home / 42,590,144.30-63,859,683.18-19,532,198.70

Finding the Fourth Proportional to 42,590,144.30, 63,859,683.18 and 19,532,198.70

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Solution

The fourth proportional to 42,590,144.30, 63,859,683.18 and 19,532,198.70 is: 29,286,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,144.30 : 63,859,683.18 = 19,532,198.70 : x
  2. Step 2: Convert to fraction form
    42,590,144.30/63,859,683.18 = 19,532,198.70/x
  3. Step 3: Cross multiply
    42,590,144.30x = 63,859,683.18 × 19,532,198.70
  4. Step 4: Simplify right side
    42,590,144.30x = 1,247,320,020,790,807.75
  5. Step 5: Solve for x
    x = 1,247,320,020,790,807.75/42,590,144.30
  6. Step 6: Final answer
    x = 29,286,588.28

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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.