Home / 53,953,851.13-74,456,261.91-29,173,978.78

Finding the Fourth Proportional to 53,953,851.13, 74,456,261.91 and 29,173,978.78

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Solution

The fourth proportional to 53,953,851.13, 74,456,261.91 and 29,173,978.78 is: 40,260,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953,851.13 : 74,456,261.91 = 29,173,978.78 : x
  2. Step 2: Convert to fraction form
    53,953,851.13/74,456,261.91 = 29,173,978.78/x
  3. Step 3: Cross multiply
    53,953,851.13x = 74,456,261.91 × 29,173,978.78
  4. Step 4: Simplify right side
    53,953,851.13x = 2,172,185,404,814,321.50
  5. Step 5: Solve for x
    x = 2,172,185,404,814,321.50/53,953,851.13
  6. Step 6: Final answer
    x = 40,260,062.25

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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.