Home / 382,781,128.56-574,143,919.20-149,567,989.20

Finding the Fourth Proportional to 382,781,128.56, 574,143,919.20 and 149,567,989.20

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Solution

The fourth proportional to 382,781,128.56, 574,143,919.20 and 149,567,989.20 is: 224,341,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,781,128.56 : 574,143,919.20 = 149,567,989.20 : x
  2. Step 2: Convert to fraction form
    382,781,128.56/574,143,919.20 = 149,567,989.20/x
  3. Step 3: Cross multiply
    382,781,128.56x = 574,143,919.20 × 149,567,989.20
  4. Step 4: Simplify right side
    382,781,128.56x = 85,873,551,506,151,280
  5. Step 5: Solve for x
    x = 85,873,551,506,151,280/382,781,128.56
  6. Step 6: Final answer
    x = 224,341,131.52

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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.