Home / 219,858,381.11-329,285,124.81-104,923,636.04

Finding the Fourth Proportional to 219,858,381.11, 329,285,124.81 and 104,923,636.04

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Solution

The fourth proportional to 219,858,381.11, 329,285,124.81 and 104,923,636.04 is: 157,145,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,858,381.11 : 329,285,124.81 = 104,923,636.04 : x
  2. Step 2: Convert to fraction form
    219,858,381.11/329,285,124.81 = 104,923,636.04/x
  3. Step 3: Cross multiply
    219,858,381.11x = 329,285,124.81 × 104,923,636.04
  4. Step 4: Simplify right side
    219,858,381.11x = 34,549,792,587,303,988
  5. Step 5: Solve for x
    x = 34,549,792,587,303,988/219,858,381.11
  6. Step 6: Final answer
    x = 157,145,669.92

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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.