Home / 121,320,246.30-181,980,369.45-92,622,432.30

Finding the Fourth Proportional to 121,320,246.30, 181,980,369.45 and 92,622,432.30

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Solution

The fourth proportional to 121,320,246.30, 181,980,369.45 and 92,622,432.30 is: 138,933,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320,246.30 : 181,980,369.45 = 92,622,432.30 : x
  2. Step 2: Convert to fraction form
    121,320,246.30/181,980,369.45 = 92,622,432.30/x
  3. Step 3: Cross multiply
    121,320,246.30x = 181,980,369.45 × 92,622,432.30
  4. Step 4: Simplify right side
    121,320,246.30x = 16,855,464,449,311,612
  5. Step 5: Solve for x
    x = 16,855,464,449,311,612/121,320,246.30
  6. Step 6: Final answer
    x = 138,933,648.45

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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.