Home / 73,170,418.46-109,765,665.95-42,479,405.46

Finding the Fourth Proportional to 73,170,418.46, 109,765,665.95 and 42,479,405.46

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Solution

The fourth proportional to 73,170,418.46, 109,765,665.95 and 42,479,405.46 is: 63,724,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170,418.46 : 109,765,665.95 = 42,479,405.46 : x
  2. Step 2: Convert to fraction form
    73,170,418.46/109,765,665.95 = 42,479,405.46/x
  3. Step 3: Cross multiply
    73,170,418.46x = 109,765,665.95 × 42,479,405.46
  4. Step 4: Simplify right side
    73,170,418.46x = 4,662,780,229,264,569
  5. Step 5: Solve for x
    x = 4,662,780,229,264,569/73,170,418.46
  6. Step 6: Final answer
    x = 63,724,935.95

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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.