Home / 308,927,881.80-463,391,822.70-163,305,174.60

Finding the Fourth Proportional to 308,927,881.80, 463,391,822.70 and 163,305,174.60

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Solution

The fourth proportional to 308,927,881.80, 463,391,822.70 and 163,305,174.60 is: 244,957,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,927,881.80 : 463,391,822.70 = 163,305,174.60 : x
  2. Step 2: Convert to fraction form
    308,927,881.80/463,391,822.70 = 163,305,174.60/x
  3. Step 3: Cross multiply
    308,927,881.80x = 463,391,822.70 × 163,305,174.60
  4. Step 4: Simplify right side
    308,927,881.80x = 75,674,282,514,235,744
  5. Step 5: Solve for x
    x = 75,674,282,514,235,744/308,927,881.80
  6. Step 6: Final answer
    x = 244,957,761.90

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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.