Home / 87,734,776.32-121,075,271.64-50,544,540

Finding the Fourth Proportional to 87,734,776.32, 121,075,271.64 and 50,544,540

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Solution

The fourth proportional to 87,734,776.32, 121,075,271.64 and 50,544,540 is: 69,752,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,734,776.32 : 121,075,271.64 = 50,544,540 : x
  2. Step 2: Convert to fraction form
    87,734,776.32/121,075,271.64 = 50,544,540/x
  3. Step 3: Cross multiply
    87,734,776.32x = 121,075,271.64 × 50,544,540
  4. Step 4: Simplify right side
    87,734,776.32x = 6,119,693,910,418,846
  5. Step 5: Solve for x
    x = 6,119,693,910,418,846/87,734,776.32
  6. Step 6: Final answer
    x = 69,752,202.80

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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.