Home / 215,841,520.10-323,762,280.15-201,386,324.90

Finding the Fourth Proportional to 215,841,520.10, 323,762,280.15 and 201,386,324.90

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Solution

The fourth proportional to 215,841,520.10, 323,762,280.15 and 201,386,324.90 is: 302,079,487.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,841,520.10 : 323,762,280.15 = 201,386,324.90 : x
  2. Step 2: Convert to fraction form
    215,841,520.10/323,762,280.15 = 201,386,324.90/x
  3. Step 3: Cross multiply
    215,841,520.10x = 323,762,280.15 × 201,386,324.90
  4. Step 4: Simplify right side
    215,841,520.10x = 65,201,295,740,652,720
  5. Step 5: Solve for x
    x = 65,201,295,740,652,720/215,841,520.10
  6. Step 6: Final answer
    x = 302,079,487.35

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1.5x scale

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.