Home / 106,169,872.72-146,496,987.84-61,499,960.32

Finding the Fourth Proportional to 106,169,872.72, 146,496,987.84 and 61,499,960.32

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Solution

The fourth proportional to 106,169,872.72, 146,496,987.84 and 61,499,960.32 is: 84,859,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,169,872.72 : 146,496,987.84 = 61,499,960.32 : x
  2. Step 2: Convert to fraction form
    106,169,872.72/146,496,987.84 = 61,499,960.32/x
  3. Step 3: Cross multiply
    106,169,872.72x = 146,496,987.84 × 61,499,960.32
  4. Step 4: Simplify right side
    106,169,872.72x = 9,009,558,939,159,522
  5. Step 5: Solve for x
    x = 9,009,558,939,159,522/106,169,872.72
  6. Step 6: Final answer
    x = 84,859,844.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.