Home / 106,372,373.72-159,231,304.28-69,404,663.12

Finding the Fourth Proportional to 106,372,373.72, 159,231,304.28 and 69,404,663.12

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Solution

The fourth proportional to 106,372,373.72, 159,231,304.28 and 69,404,663.12 is: 103,893,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,373.72 : 159,231,304.28 = 69,404,663.12 : x
  2. Step 2: Convert to fraction form
    106,372,373.72/159,231,304.28 = 69,404,663.12/x
  3. Step 3: Cross multiply
    106,372,373.72x = 159,231,304.28 × 69,404,663.12
  4. Step 4: Simplify right side
    106,372,373.72x = 11,051,395,031,711,614
  5. Step 5: Solve for x
    x = 11,051,395,031,711,614/106,372,373.72
  6. Step 6: Final answer
    x = 103,893,470.13

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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.