Home / 126,075,344.20-189,113,016.30-49,372,880.20

Finding the Fourth Proportional to 126,075,344.20, 189,113,016.30 and 49,372,880.20

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Solution

The fourth proportional to 126,075,344.20, 189,113,016.30 and 49,372,880.20 is: 74,059,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075,344.20 : 189,113,016.30 = 49,372,880.20 : x
  2. Step 2: Convert to fraction form
    126,075,344.20/189,113,016.30 = 49,372,880.20/x
  3. Step 3: Cross multiply
    126,075,344.20x = 189,113,016.30 × 49,372,880.20
  4. Step 4: Simplify right side
    126,075,344.20x = 9,337,054,298,040,548
  5. Step 5: Solve for x
    x = 9,337,054,298,040,548/126,075,344.20
  6. Step 6: Final answer
    x = 74,059,320.30

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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.