Home / 58,246,418.47-80,381,765.76-31,786,480.74

Finding the Fourth Proportional to 58,246,418.47, 80,381,765.76 and 31,786,480.74

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Solution

The fourth proportional to 58,246,418.47, 80,381,765.76 and 31,786,480.74 is: 43,866,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,246,418.47 : 80,381,765.76 = 31,786,480.74 : x
  2. Step 2: Convert to fraction form
    58,246,418.47/80,381,765.76 = 31,786,480.74/x
  3. Step 3: Cross multiply
    58,246,418.47x = 80,381,765.76 × 31,786,480.74
  4. Step 4: Simplify right side
    58,246,418.47x = 2,555,053,449,177,431.50
  5. Step 5: Solve for x
    x = 2,555,053,449,177,431.50/58,246,418.47
  6. Step 6: Final answer
    x = 43,866,275.67

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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.