Home / 42,615,720.44-58,805,305.62-31,458,149.45

Finding the Fourth Proportional to 42,615,720.44, 58,805,305.62 and 31,458,149.45

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Solution

The fourth proportional to 42,615,720.44, 58,805,305.62 and 31,458,149.45 is: 43,409,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615,720.44 : 58,805,305.62 = 31,458,149.45 : x
  2. Step 2: Convert to fraction form
    42,615,720.44/58,805,305.62 = 31,458,149.45/x
  3. Step 3: Cross multiply
    42,615,720.44x = 58,805,305.62 × 31,458,149.45
  4. Step 4: Simplify right side
    42,615,720.44x = 1,849,906,092,352,858.25
  5. Step 5: Solve for x
    x = 1,849,906,092,352,858.25/42,615,720.44
  6. Step 6: Final answer
    x = 43,409,006.66

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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.