Home / 318,250,506.47-477,375,892.05-143,169,038.88

Finding the Fourth Proportional to 318,250,506.47, 477,375,892.05 and 143,169,038.88

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Solution

The fourth proportional to 318,250,506.47, 477,375,892.05 and 143,169,038.88 is: 214,753,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,506.47 : 477,375,892.05 = 143,169,038.88 : x
  2. Step 2: Convert to fraction form
    318,250,506.47/477,375,892.05 = 143,169,038.88/x
  3. Step 3: Cross multiply
    318,250,506.47x = 477,375,892.05 × 143,169,038.88
  4. Step 4: Simplify right side
    318,250,506.47x = 68,345,447,649,281,136
  5. Step 5: Solve for x
    x = 68,345,447,649,281,136/318,250,506.47
  6. Step 6: Final answer
    x = 214,753,617.86

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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.