Home / 63,740,218.32-87,968,314.44-38,974,919.76

Finding the Fourth Proportional to 63,740,218.32, 87,968,314.44 and 38,974,919.76

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Solution

The fourth proportional to 63,740,218.32, 87,968,314.44 and 38,974,919.76 is: 53,789,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,740,218.32 : 87,968,314.44 = 38,974,919.76 : x
  2. Step 2: Convert to fraction form
    63,740,218.32/87,968,314.44 = 38,974,919.76/x
  3. Step 3: Cross multiply
    63,740,218.32x = 87,968,314.44 × 38,974,919.76
  4. Step 4: Simplify right side
    63,740,218.32x = 3,428,557,996,721,449
  5. Step 5: Solve for x
    x = 3,428,557,996,721,449/63,740,218.32
  6. Step 6: Final answer
    x = 53,789,555.28

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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.