Home / 42,858,019.70-59,144,546.46-25,220,821.51

Finding the Fourth Proportional to 42,858,019.70, 59,144,546.46 and 25,220,821.51

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Solution

The fourth proportional to 42,858,019.70, 59,144,546.46 and 25,220,821.51 is: 34,805,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858,019.70 : 59,144,546.46 = 25,220,821.51 : x
  2. Step 2: Convert to fraction form
    42,858,019.70/59,144,546.46 = 25,220,821.51/x
  3. Step 3: Cross multiply
    42,858,019.70x = 59,144,546.46 × 25,220,821.51
  4. Step 4: Simplify right side
    42,858,019.70x = 1,491,674,049,557,562.50
  5. Step 5: Solve for x
    x = 1,491,674,049,557,562.50/42,858,019.70
  6. Step 6: Final answer
    x = 34,805,015.72

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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.