Home / 41,999,963.20-63,013,941.60-20,448,001.60

Finding the Fourth Proportional to 41,999,963.20, 63,013,941.60 and 20,448,001.60

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Solution

The fourth proportional to 41,999,963.20, 63,013,941.60 and 20,448,001.60 is: 30,678,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999,963.20 : 63,013,941.60 = 20,448,001.60 : x
  2. Step 2: Convert to fraction form
    41,999,963.20/63,013,941.60 = 20,448,001.60/x
  3. Step 3: Cross multiply
    41,999,963.20x = 63,013,941.60 × 20,448,001.60
  4. Step 4: Simplify right side
    41,999,963.20x = 1,288,509,178,659,106.75
  5. Step 5: Solve for x
    x = 1,288,509,178,659,106.75/41,999,963.20
  6. Step 6: Final answer
    x = 30,678,816.85

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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.