Home / 268,272,007.80-402,408,011.70-95,943,406.20

Finding the Fourth Proportional to 268,272,007.80, 402,408,011.70 and 95,943,406.20

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Solution

The fourth proportional to 268,272,007.80, 402,408,011.70 and 95,943,406.20 is: 143,915,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,007.80 : 402,408,011.70 = 95,943,406.20 : x
  2. Step 2: Convert to fraction form
    268,272,007.80/402,408,011.70 = 95,943,406.20/x
  3. Step 3: Cross multiply
    268,272,007.80x = 402,408,011.70 × 95,943,406.20
  4. Step 4: Simplify right side
    268,272,007.80x = 38,608,395,324,667,456
  5. Step 5: Solve for x
    x = 38,608,395,324,667,456/268,272,007.80
  6. Step 6: Final answer
    x = 143,915,109.30

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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.