Home / 121,015,457.92-167,002,397.76-66,011,559.04

Finding the Fourth Proportional to 121,015,457.92, 167,002,397.76 and 66,011,559.04

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Solution

The fourth proportional to 121,015,457.92, 167,002,397.76 and 66,011,559.04 is: 91,096,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,015,457.92 : 167,002,397.76 = 66,011,559.04 : x
  2. Step 2: Convert to fraction form
    121,015,457.92/167,002,397.76 = 66,011,559.04/x
  3. Step 3: Cross multiply
    121,015,457.92x = 167,002,397.76 × 66,011,559.04
  4. Step 4: Simplify right side
    121,015,457.92x = 11,024,088,639,555,802
  5. Step 5: Solve for x
    x = 11,024,088,639,555,802/121,015,457.92
  6. Step 6: Final answer
    x = 91,096,532.86

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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.