Home / 55,122,940.80-82,684,411.20-16,779,472.65

Finding the Fourth Proportional to 55,122,940.80, 82,684,411.20 and 16,779,472.65

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Solution

The fourth proportional to 55,122,940.80, 82,684,411.20 and 16,779,472.65 is: 25,169,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122,940.80 : 82,684,411.20 = 16,779,472.65 : x
  2. Step 2: Convert to fraction form
    55,122,940.80/82,684,411.20 = 16,779,472.65/x
  3. Step 3: Cross multiply
    55,122,940.80x = 82,684,411.20 × 16,779,472.65
  4. Step 4: Simplify right side
    55,122,940.80x = 1,387,400,816,311,753.50
  5. Step 5: Solve for x
    x = 1,387,400,816,311,753.50/55,122,940.80
  6. Step 6: Final answer
    x = 25,169,208.98

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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.