Home / 57,966,002.80-86,949,004.20-55,131,650.80

Finding the Fourth Proportional to 57,966,002.80, 86,949,004.20 and 55,131,650.80

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Solution

The fourth proportional to 57,966,002.80, 86,949,004.20 and 55,131,650.80 is: 82,697,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966,002.80 : 86,949,004.20 = 55,131,650.80 : x
  2. Step 2: Convert to fraction form
    57,966,002.80/86,949,004.20 = 55,131,650.80/x
  3. Step 3: Cross multiply
    57,966,002.80x = 86,949,004.20 × 55,131,650.80
  4. Step 4: Simplify right side
    57,966,002.80x = 4,793,642,136,962,133
  5. Step 5: Solve for x
    x = 4,793,642,136,962,133/57,966,002.80
  6. Step 6: Final answer
    x = 82,697,476.20

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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.