Home / 42,120,172.80-63,085,780.80-34,561,900.80

Finding the Fourth Proportional to 42,120,172.80, 63,085,780.80 and 34,561,900.80

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Solution

The fourth proportional to 42,120,172.80, 63,085,780.80 and 34,561,900.80 is: 51,765,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,172.80 : 63,085,780.80 = 34,561,900.80 : x
  2. Step 2: Convert to fraction form
    42,120,172.80/63,085,780.80 = 34,561,900.80/x
  3. Step 3: Cross multiply
    42,120,172.80x = 63,085,780.80 × 34,561,900.80
  4. Step 4: Simplify right side
    42,120,172.80x = 2,180,364,497,900,144.25
  5. Step 5: Solve for x
    x = 2,180,364,497,900,144.25/42,120,172.80
  6. Step 6: Final answer
    x = 51,765,326.52

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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.