Home / 68,472,021.56-94,332,581.70-47,812,744.76

Finding the Fourth Proportional to 68,472,021.56, 94,332,581.70 and 47,812,744.76

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Solution

The fourth proportional to 68,472,021.56, 94,332,581.70 and 47,812,744.76 is: 65,870,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472,021.56 : 94,332,581.70 = 47,812,744.76 : x
  2. Step 2: Convert to fraction form
    68,472,021.56/94,332,581.70 = 47,812,744.76/x
  3. Step 3: Cross multiply
    68,472,021.56x = 94,332,581.70 × 47,812,744.76
  4. Step 4: Simplify right side
    68,472,021.56x = 4,510,299,651,373,947
  5. Step 5: Solve for x
    x = 4,510,299,651,373,947/68,472,021.56
  6. Step 6: Final answer
    x = 65,870,695.05

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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.