Home / 71,356,432.90-98,474,578.77-39,995,056.66

Finding the Fourth Proportional to 71,356,432.90, 98,474,578.77 and 39,995,056.66

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Solution

The fourth proportional to 71,356,432.90, 98,474,578.77 and 39,995,056.66 is: 55,194,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,356,432.90 : 98,474,578.77 = 39,995,056.66 : x
  2. Step 2: Convert to fraction form
    71,356,432.90/98,474,578.77 = 39,995,056.66/x
  3. Step 3: Cross multiply
    71,356,432.90x = 98,474,578.77 × 39,995,056.66
  4. Step 4: Simplify right side
    71,356,432.90x = 3,938,496,357,475,782.50
  5. Step 5: Solve for x
    x = 3,938,496,357,475,782.50/71,356,432.90
  6. Step 6: Final answer
    x = 55,194,692.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.