Home / 221,011,574.70-330,879,632.85-195,502,406.70

Finding the Fourth Proportional to 221,011,574.70, 330,879,632.85 and 195,502,406.70

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Solution

The fourth proportional to 221,011,574.70, 330,879,632.85 and 195,502,406.70 is: 292,689,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011,574.70 : 330,879,632.85 = 195,502,406.70 : x
  2. Step 2: Convert to fraction form
    221,011,574.70/330,879,632.85 = 195,502,406.70/x
  3. Step 3: Cross multiply
    221,011,574.70x = 330,879,632.85 × 195,502,406.70
  4. Step 4: Simplify right side
    221,011,574.70x = 64,687,764,550,187,384
  5. Step 5: Solve for x
    x = 64,687,764,550,187,384/221,011,574.70
  6. Step 6: Final answer
    x = 292,689,487.59

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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.