Home / 262,218,011.40-393,012,089.10-108,785,089.80

Finding the Fourth Proportional to 262,218,011.40, 393,012,089.10 and 108,785,089.80

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Solution

The fourth proportional to 262,218,011.40, 393,012,089.10 and 108,785,089.80 is: 163,046,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,218,011.40 : 393,012,089.10 = 108,785,089.80 : x
  2. Step 2: Convert to fraction form
    262,218,011.40/393,012,089.10 = 108,785,089.80/x
  3. Step 3: Cross multiply
    262,218,011.40x = 393,012,089.10 × 108,785,089.80
  4. Step 4: Simplify right side
    262,218,011.40x = 42,753,855,405,229,104
  5. Step 5: Solve for x
    x = 42,753,855,405,229,104/262,218,011.40
  6. Step 6: Final answer
    x = 163,046,982.08

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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.