Home / 42,858,017.70-59,144,543.70-25,220,819.51

Finding the Fourth Proportional to 42,858,017.70, 59,144,543.70 and 25,220,819.51

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Solution

The fourth proportional to 42,858,017.70, 59,144,543.70 and 25,220,819.51 is: 34,805,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858,017.70 : 59,144,543.70 = 25,220,819.51 : x
  2. Step 2: Convert to fraction form
    42,858,017.70/59,144,543.70 = 25,220,819.51/x
  3. Step 3: Cross multiply
    42,858,017.70x = 59,144,543.70 × 25,220,819.51
  4. Step 4: Simplify right side
    42,858,017.70x = 1,491,673,861,632,366
  5. Step 5: Solve for x
    x = 1,491,673,861,632,366/42,858,017.70
  6. Step 6: Final answer
    x = 34,805,012.97

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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.