Home / 142,019,991.10-213,029,986.65-113,322,177.10

Finding the Fourth Proportional to 142,019,991.10, 213,029,986.65 and 113,322,177.10

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Solution

The fourth proportional to 142,019,991.10, 213,029,986.65 and 113,322,177.10 is: 169,983,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,019,991.10 : 213,029,986.65 = 113,322,177.10 : x
  2. Step 2: Convert to fraction form
    142,019,991.10/213,029,986.65 = 113,322,177.10/x
  3. Step 3: Cross multiply
    142,019,991.10x = 213,029,986.65 × 113,322,177.10
  4. Step 4: Simplify right side
    142,019,991.10x = 24,141,021,874,761,936
  5. Step 5: Solve for x
    x = 24,141,021,874,761,936/142,019,991.10
  6. Step 6: Final answer
    x = 169,983,265.65

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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.