Home / 99,845,736.64-137,784,473.34-55,793,097.47

Finding the Fourth Proportional to 99,845,736.64, 137,784,473.34 and 55,793,097.47

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Solution

The fourth proportional to 99,845,736.64, 137,784,473.34 and 55,793,097.47 is: 76,992,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,845,736.64 : 137,784,473.34 = 55,793,097.47 : x
  2. Step 2: Convert to fraction form
    99,845,736.64/137,784,473.34 = 55,793,097.47/x
  3. Step 3: Cross multiply
    99,845,736.64x = 137,784,473.34 × 55,793,097.47
  4. Step 4: Simplify right side
    99,845,736.64x = 7,687,422,551,438,698
  5. Step 5: Solve for x
    x = 7,687,422,551,438,698/99,845,736.64
  6. Step 6: Final answer
    x = 76,992,997.50

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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.