Home / 53,789,422.95-80,622,975.78-47,299,780.71

Finding the Fourth Proportional to 53,789,422.95, 80,622,975.78 and 47,299,780.71

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Solution

The fourth proportional to 53,789,422.95, 80,622,975.78 and 47,299,780.71 is: 70,895,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,789,422.95 : 80,622,975.78 = 47,299,780.71 : x
  2. Step 2: Convert to fraction form
    53,789,422.95/80,622,975.78 = 47,299,780.71/x
  3. Step 3: Cross multiply
    53,789,422.95x = 80,622,975.78 × 47,299,780.71
  4. Step 4: Simplify right side
    53,789,422.95x = 3,813,449,074,581,641.50
  5. Step 5: Solve for x
    x = 3,813,449,074,581,641.50/53,789,422.95
  6. Step 6: Final answer
    x = 70,895,891.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.