Home / 51,324,065.28-70,836,336-30,699,780.48

Finding the Fourth Proportional to 51,324,065.28, 70,836,336 and 30,699,780.48

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Solution

The fourth proportional to 51,324,065.28, 70,836,336 and 30,699,780.48 is: 42,371,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324,065.28 : 70,836,336 = 30,699,780.48 : x
  2. Step 2: Convert to fraction form
    51,324,065.28/70,836,336 = 30,699,780.48/x
  3. Step 3: Cross multiply
    51,324,065.28x = 70,836,336 × 30,699,780.48
  4. Step 4: Simplify right side
    51,324,065.28x = 2,174,659,965,207,521.25
  5. Step 5: Solve for x
    x = 2,174,659,965,207,521.25/51,324,065.28
  6. Step 6: Final answer
    x = 42,371,155.78

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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.