Home / 164,482,945.80-246,724,418.70-138,654,913.20

Finding the Fourth Proportional to 164,482,945.80, 246,724,418.70 and 138,654,913.20

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Solution

The fourth proportional to 164,482,945.80, 246,724,418.70 and 138,654,913.20 is: 207,982,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,482,945.80 : 246,724,418.70 = 138,654,913.20 : x
  2. Step 2: Convert to fraction form
    164,482,945.80/246,724,418.70 = 138,654,913.20/x
  3. Step 3: Cross multiply
    164,482,945.80x = 246,724,418.70 × 138,654,913.20
  4. Step 4: Simplify right side
    164,482,945.80x = 34,209,552,859,168,952
  5. Step 5: Solve for x
    x = 34,209,552,859,168,952/164,482,945.80
  6. Step 6: Final answer
    x = 207,982,369.80

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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.