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Finding the Fourth Proportional to 68,010,798.88, 101,955,797.04 and 26,502,064.48

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Solution

The fourth proportional to 68,010,798.88, 101,955,797.04 and 26,502,064.48 is: 39,729,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010,798.88 : 101,955,797.04 = 26,502,064.48 : x
  2. Step 2: Convert to fraction form
    68,010,798.88/101,955,797.04 = 26,502,064.48/x
  3. Step 3: Cross multiply
    68,010,798.88x = 101,955,797.04 × 26,502,064.48
  4. Step 4: Simplify right side
    68,010,798.88x = 2,702,039,107,263,873.50
  5. Step 5: Solve for x
    x = 2,702,039,107,263,873.50/68,010,798.88
  6. Step 6: Final answer
    x = 39,729,559.89

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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.