Home / 104,519,907.20-156,769,729.80-31,737,327.68

Finding the Fourth Proportional to 104,519,907.20, 156,769,729.80 and 31,737,327.68

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Solution

The fourth proportional to 104,519,907.20, 156,769,729.80 and 31,737,327.68 is: 47,602,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,519,907.20 : 156,769,729.80 = 31,737,327.68 : x
  2. Step 2: Convert to fraction form
    104,519,907.20/156,769,729.80 = 31,737,327.68/x
  3. Step 3: Cross multiply
    104,519,907.20x = 156,769,729.80 × 31,737,327.68
  4. Step 4: Simplify right side
    104,519,907.20x = 4,975,452,284,967,661
  5. Step 5: Solve for x
    x = 4,975,452,284,967,661/104,519,907.20
  6. Step 6: Final answer
    x = 47,602,915.26

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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.