Home / 221,434,381.70-332,151,572.55-68,060,509.10

Finding the Fourth Proportional to 221,434,381.70, 332,151,572.55 and 68,060,509.10

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Solution

The fourth proportional to 221,434,381.70, 332,151,572.55 and 68,060,509.10 is: 102,090,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,434,381.70 : 332,151,572.55 = 68,060,509.10 : x
  2. Step 2: Convert to fraction form
    221,434,381.70/332,151,572.55 = 68,060,509.10/x
  3. Step 3: Cross multiply
    221,434,381.70x = 332,151,572.55 × 68,060,509.10
  4. Step 4: Simplify right side
    221,434,381.70x = 22,606,405,126,118,584
  5. Step 5: Solve for x
    x = 22,606,405,126,118,584/221,434,381.70
  6. Step 6: Final answer
    x = 102,090,763.65

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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.