Home / 49,739,956.40-74,583,362.55-20,953,568.90

Finding the Fourth Proportional to 49,739,956.40, 74,583,362.55 and 20,953,568.90

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Solution

The fourth proportional to 49,739,956.40, 74,583,362.55 and 20,953,568.90 is: 31,419,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739,956.40 : 74,583,362.55 = 20,953,568.90 : x
  2. Step 2: Convert to fraction form
    49,739,956.40/74,583,362.55 = 20,953,568.90/x
  3. Step 3: Cross multiply
    49,739,956.40x = 74,583,362.55 × 20,953,568.90
  4. Step 4: Simplify right side
    49,739,956.40x = 1,562,787,625,985,104.50
  5. Step 5: Solve for x
    x = 1,562,787,625,985,104.50/49,739,956.40
  6. Step 6: Final answer
    x = 31,419,159.55

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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.