Home / 82,374,870.61-123,569,568.32-30,560,073.49

Finding the Fourth Proportional to 82,374,870.61, 123,569,568.32 and 30,560,073.49

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Solution

The fourth proportional to 82,374,870.61, 123,569,568.32 and 30,560,073.49 is: 45,842,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374,870.61 : 123,569,568.32 = 30,560,073.49 : x
  2. Step 2: Convert to fraction form
    82,374,870.61/123,569,568.32 = 30,560,073.49/x
  3. Step 3: Cross multiply
    82,374,870.61x = 123,569,568.32 × 30,560,073.49
  4. Step 4: Simplify right side
    82,374,870.61x = 3,776,295,088,986,775.50
  5. Step 5: Solve for x
    x = 3,776,295,088,986,775.50/82,374,870.61
  6. Step 6: Final answer
    x = 45,842,804.50

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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.