Home / 121,555,525.50-167,762,634.03-69,332,589.90

Finding the Fourth Proportional to 121,555,525.50, 167,762,634.03 and 69,332,589.90

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Solution

The fourth proportional to 121,555,525.50, 167,762,634.03 and 69,332,589.90 is: 95,688,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,555,525.50 : 167,762,634.03 = 69,332,589.90 : x
  2. Step 2: Convert to fraction form
    121,555,525.50/167,762,634.03 = 69,332,589.90/x
  3. Step 3: Cross multiply
    121,555,525.50x = 167,762,634.03 × 69,332,589.90
  4. Step 4: Simplify right side
    121,555,525.50x = 11,631,417,905,745,776
  5. Step 5: Solve for x
    x = 11,631,417,905,745,776/121,555,525.50
  6. Step 6: Final answer
    x = 95,688,105.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.