Home / 52,503,877.20-78,732,196.20-20,145,025.20

Finding the Fourth Proportional to 52,503,877.20, 78,732,196.20 and 20,145,025.20

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Solution

The fourth proportional to 52,503,877.20, 78,732,196.20 and 20,145,025.20 is: 30,208,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,503,877.20 : 78,732,196.20 = 20,145,025.20 : x
  2. Step 2: Convert to fraction form
    52,503,877.20/78,732,196.20 = 20,145,025.20/x
  3. Step 3: Cross multiply
    52,503,877.20x = 78,732,196.20 × 20,145,025.20
  4. Step 4: Simplify right side
    52,503,877.20x = 1,586,062,076,500,344.25
  5. Step 5: Solve for x
    x = 1,586,062,076,500,344.25/52,503,877.20
  6. Step 6: Final answer
    x = 30,208,475.28

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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.