Home / 221,443,703.80-332,165,555.70-57,681,143.80

Finding the Fourth Proportional to 221,443,703.80, 332,165,555.70 and 57,681,143.80

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Solution

The fourth proportional to 221,443,703.80, 332,165,555.70 and 57,681,143.80 is: 86,521,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,443,703.80 : 332,165,555.70 = 57,681,143.80 : x
  2. Step 2: Convert to fraction form
    221,443,703.80/332,165,555.70 = 57,681,143.80/x
  3. Step 3: Cross multiply
    221,443,703.80x = 332,165,555.70 × 57,681,143.80
  4. Step 4: Simplify right side
    221,443,703.80x = 19,159,689,183,738,608
  5. Step 5: Solve for x
    x = 19,159,689,183,738,608/221,443,703.80
  6. Step 6: Final answer
    x = 86,521,715.70

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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.