Home / 74,493,947.88-102,810,597.30-45,124,418.52

Finding the Fourth Proportional to 74,493,947.88, 102,810,597.30 and 45,124,418.52

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Solution

The fourth proportional to 74,493,947.88, 102,810,597.30 and 45,124,418.52 is: 62,277,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493,947.88 : 102,810,597.30 = 45,124,418.52 : x
  2. Step 2: Convert to fraction form
    74,493,947.88/102,810,597.30 = 45,124,418.52/x
  3. Step 3: Cross multiply
    74,493,947.88x = 102,810,597.30 × 45,124,418.52
  4. Step 4: Simplify right side
    74,493,947.88x = 4,639,268,420,856,382
  5. Step 5: Solve for x
    x = 4,639,268,420,856,382/74,493,947.88
  6. Step 6: Final answer
    x = 62,277,118.52

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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.