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Finding the Fourth Proportional to 221,616,820.10, 332,425,230.15 and 221,616,820.10

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Solution

The fourth proportional to 221,616,820.10, 332,425,230.15 and 221,616,820.10 is: 332,425,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,820.10 : 332,425,230.15 = 221,616,820.10 : x
  2. Step 2: Convert to fraction form
    221,616,820.10/332,425,230.15 = 221,616,820.10/x
  3. Step 3: Cross multiply
    221,616,820.10x = 332,425,230.15 × 221,616,820.10
  4. Step 4: Simplify right side
    221,616,820.10x = 73,671,022,426,853,632
  5. Step 5: Solve for x
    x = 73,671,022,426,853,632/221,616,820.10
  6. Step 6: Final answer
    x = 332,425,230.15

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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.