Home / 143,735,915.20-215,603,872.80-97,819,412.80

Finding the Fourth Proportional to 143,735,915.20, 215,603,872.80 and 97,819,412.80

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Solution

The fourth proportional to 143,735,915.20, 215,603,872.80 and 97,819,412.80 is: 146,729,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,735,915.20 : 215,603,872.80 = 97,819,412.80 : x
  2. Step 2: Convert to fraction form
    143,735,915.20/215,603,872.80 = 97,819,412.80/x
  3. Step 3: Cross multiply
    143,735,915.20x = 215,603,872.80 × 97,819,412.80
  4. Step 4: Simplify right side
    143,735,915.20x = 21,090,244,234,701,892
  5. Step 5: Solve for x
    x = 21,090,244,234,701,892/143,735,915.20
  6. Step 6: Final answer
    x = 146,729,119.20

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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.