Home / 221,616,019.40-332,424,029.10-100,683,667.40

Finding the Fourth Proportional to 221,616,019.40, 332,424,029.10 and 100,683,667.40

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Solution

The fourth proportional to 221,616,019.40, 332,424,029.10 and 100,683,667.40 is: 151,025,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,019.40 : 332,424,029.10 = 100,683,667.40 : x
  2. Step 2: Convert to fraction form
    221,616,019.40/332,424,029.10 = 100,683,667.40/x
  3. Step 3: Cross multiply
    221,616,019.40x = 332,424,029.10 × 100,683,667.40
  4. Step 4: Simplify right side
    221,616,019.40x = 33,469,670,381,672,324
  5. Step 5: Solve for x
    x = 33,469,670,381,672,324/221,616,019.40
  6. Step 6: Final answer
    x = 151,025,501.10

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1.5x scale

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.