Home / 83,330,201.80-125,075,978.70-40,229,648.20

Finding the Fourth Proportional to 83,330,201.80, 125,075,978.70 and 40,229,648.20

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Solution

The fourth proportional to 83,330,201.80, 125,075,978.70 and 40,229,648.20 is: 60,383,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,330,201.80 : 125,075,978.70 = 40,229,648.20 : x
  2. Step 2: Convert to fraction form
    83,330,201.80/125,075,978.70 = 40,229,648.20/x
  3. Step 3: Cross multiply
    83,330,201.80x = 125,075,978.70 × 40,229,648.20
  4. Step 4: Simplify right side
    83,330,201.80x = 5,031,762,621,371,694
  5. Step 5: Solve for x
    x = 5,031,762,621,371,694/83,330,201.80
  6. Step 6: Final answer
    x = 60,383,420.57

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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.