Home / 42,380,810.20-63,571,215.30-39,511,028.80

Finding the Fourth Proportional to 42,380,810.20, 63,571,215.30 and 39,511,028.80

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Solution

The fourth proportional to 42,380,810.20, 63,571,215.30 and 39,511,028.80 is: 59,266,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380,810.20 : 63,571,215.30 = 39,511,028.80 : x
  2. Step 2: Convert to fraction form
    42,380,810.20/63,571,215.30 = 39,511,028.80/x
  3. Step 3: Cross multiply
    42,380,810.20x = 63,571,215.30 × 39,511,028.80
  4. Step 4: Simplify right side
    42,380,810.20x = 2,511,764,118,569,300.50
  5. Step 5: Solve for x
    x = 2,511,764,118,569,300.50/42,380,810.20
  6. Step 6: Final answer
    x = 59,266,543.20

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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.