Home / 77,973,568.48-117,027,537.36-54,055,836.64

Finding the Fourth Proportional to 77,973,568.48, 117,027,537.36 and 54,055,836.64

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Solution

The fourth proportional to 77,973,568.48, 117,027,537.36 and 54,055,836.64 is: 81,130,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,973,568.48 : 117,027,537.36 = 54,055,836.64 : x
  2. Step 2: Convert to fraction form
    77,973,568.48/117,027,537.36 = 54,055,836.64/x
  3. Step 3: Cross multiply
    77,973,568.48x = 117,027,537.36 × 54,055,836.64
  4. Step 4: Simplify right side
    77,973,568.48x = 6,326,021,441,913,657
  5. Step 5: Solve for x
    x = 6,326,021,441,913,657/77,973,568.48
  6. Step 6: Final answer
    x = 81,130,331.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.