Home / 42,781,112.69-59,045,481.97-25,387,048.76

Finding the Fourth Proportional to 42,781,112.69, 59,045,481.97 and 25,387,048.76

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Solution

The fourth proportional to 42,781,112.69, 59,045,481.97 and 25,387,048.76 is: 35,038,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781,112.69 : 59,045,481.97 = 25,387,048.76 : x
  2. Step 2: Convert to fraction form
    42,781,112.69/59,045,481.97 = 25,387,048.76/x
  3. Step 3: Cross multiply
    42,781,112.69x = 59,045,481.97 × 25,387,048.76
  4. Step 4: Simplify right side
    42,781,112.69x = 1,498,990,529,471,395.75
  5. Step 5: Solve for x
    x = 1,498,990,529,471,395.75/42,781,112.69
  6. Step 6: Final answer
    x = 35,038,605.48

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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.