Home / 42,380,689.20-63,571,033.80-39,510,907.80

Finding the Fourth Proportional to 42,380,689.20, 63,571,033.80 and 39,510,907.80

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Solution

The fourth proportional to 42,380,689.20, 63,571,033.80 and 39,510,907.80 is: 59,266,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380,689.20 : 63,571,033.80 = 39,510,907.80 : x
  2. Step 2: Convert to fraction form
    42,380,689.20/63,571,033.80 = 39,510,907.80/x
  3. Step 3: Cross multiply
    42,380,689.20x = 63,571,033.80 × 39,510,907.80
  4. Step 4: Simplify right side
    42,380,689.20x = 2,511,749,255,222,483.50
  5. Step 5: Solve for x
    x = 2,511,749,255,222,483.50/42,380,689.20
  6. Step 6: Final answer
    x = 59,266,361.70

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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.