Home / 221,418,203.40-332,127,305.10-169,762,138.20

Finding the Fourth Proportional to 221,418,203.40, 332,127,305.10 and 169,762,138.20

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Solution

The fourth proportional to 221,418,203.40, 332,127,305.10 and 169,762,138.20 is: 254,643,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,418,203.40 : 332,127,305.10 = 169,762,138.20 : x
  2. Step 2: Convert to fraction form
    221,418,203.40/332,127,305.10 = 169,762,138.20/x
  3. Step 3: Cross multiply
    221,418,203.40x = 332,127,305.10 × 169,762,138.20
  4. Step 4: Simplify right side
    221,418,203.40x = 56,382,641,468,379,768
  5. Step 5: Solve for x
    x = 56,382,641,468,379,768/221,418,203.40
  6. Step 6: Final answer
    x = 254,643,207.30

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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.