Home / 47,338,478.80-71,007,718.20-31,214,165.20

Finding the Fourth Proportional to 47,338,478.80, 71,007,718.20 and 31,214,165.20

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Solution

The fourth proportional to 47,338,478.80, 71,007,718.20 and 31,214,165.20 is: 46,821,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,338,478.80 : 71,007,718.20 = 31,214,165.20 : x
  2. Step 2: Convert to fraction form
    47,338,478.80/71,007,718.20 = 31,214,165.20/x
  3. Step 3: Cross multiply
    47,338,478.80x = 71,007,718.20 × 31,214,165.20
  4. Step 4: Simplify right side
    47,338,478.80x = 2,216,446,646,369,846.75
  5. Step 5: Solve for x
    x = 2,216,446,646,369,846.75/47,338,478.80
  6. Step 6: Final answer
    x = 46,821,247.80

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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.