Home / 330,264,331.10-495,270,525.45-100,156,939.10

Finding the Fourth Proportional to 330,264,331.10, 495,270,525.45 and 100,156,939.10

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Solution

The fourth proportional to 330,264,331.10, 495,270,525.45 and 100,156,939.10 is: 150,197,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,264,331.10 : 495,270,525.45 = 100,156,939.10 : x
  2. Step 2: Convert to fraction form
    330,264,331.10/495,270,525.45 = 100,156,939.10/x
  3. Step 3: Cross multiply
    330,264,331.10x = 495,270,525.45 × 100,156,939.10
  4. Step 4: Simplify right side
    330,264,331.10x = 49,604,779,855,520,648
  5. Step 5: Solve for x
    x = 49,604,779,855,520,648/330,264,331.10
  6. Step 6: Final answer
    x = 150,197,206.25

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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.