Home / 31,217,812.80-46,826,719.20-30,739,515.90

Finding the Fourth Proportional to 31,217,812.80, 46,826,719.20 and 30,739,515.90

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Solution

The fourth proportional to 31,217,812.80, 46,826,719.20 and 30,739,515.90 is: 46,109,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217,812.80 : 46,826,719.20 = 30,739,515.90 : x
  2. Step 2: Convert to fraction form
    31,217,812.80/46,826,719.20 = 30,739,515.90/x
  3. Step 3: Cross multiply
    31,217,812.80x = 46,826,719.20 × 30,739,515.90
  4. Step 4: Simplify right side
    31,217,812.80x = 1,439,430,679,393,235.25
  5. Step 5: Solve for x
    x = 1,439,430,679,393,235.25/31,217,812.80
  6. Step 6: Final answer
    x = 46,109,273.85

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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.