Home / 221,429,601.70-332,144,402.55-129,218,683.30

Finding the Fourth Proportional to 221,429,601.70, 332,144,402.55 and 129,218,683.30

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Solution

The fourth proportional to 221,429,601.70, 332,144,402.55 and 129,218,683.30 is: 193,828,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,429,601.70 : 332,144,402.55 = 129,218,683.30 : x
  2. Step 2: Convert to fraction form
    221,429,601.70/332,144,402.55 = 129,218,683.30/x
  3. Step 3: Cross multiply
    221,429,601.70x = 332,144,402.55 × 129,218,683.30
  4. Step 4: Simplify right side
    221,429,601.70x = 42,919,262,362,976,160
  5. Step 5: Solve for x
    x = 42,919,262,362,976,160/221,429,601.70
  6. Step 6: Final answer
    x = 193,828,024.95

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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.