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Finding the Fourth Proportional to 221,781,230.30, 332,671,845.45 and 164,385,602.30

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Solution

The fourth proportional to 221,781,230.30, 332,671,845.45 and 164,385,602.30 is: 246,578,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,781,230.30 : 332,671,845.45 = 164,385,602.30 : x
  2. Step 2: Convert to fraction form
    221,781,230.30/332,671,845.45 = 164,385,602.30/x
  3. Step 3: Cross multiply
    221,781,230.30x = 332,671,845.45 × 164,385,602.30
  4. Step 4: Simplify right side
    221,781,230.30x = 54,686,461,682,550,768
  5. Step 5: Solve for x
    x = 54,686,461,682,550,768/221,781,230.30
  6. Step 6: Final answer
    x = 246,578,403.45

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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.