Home / 85,833,318.40-118,441,021.44-49,165,434.88

Finding the Fourth Proportional to 85,833,318.40, 118,441,021.44 and 49,165,434.88

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Solution

The fourth proportional to 85,833,318.40, 118,441,021.44 and 49,165,434.88 is: 67,843,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,318.40 : 118,441,021.44 = 49,165,434.88 : x
  2. Step 2: Convert to fraction form
    85,833,318.40/118,441,021.44 = 49,165,434.88/x
  3. Step 3: Cross multiply
    85,833,318.40x = 118,441,021.44 × 49,165,434.88
  4. Step 4: Simplify right side
    85,833,318.40x = 5,823,204,326,729,004
  5. Step 5: Solve for x
    x = 5,823,204,326,729,004/85,833,318.40
  6. Step 6: Final answer
    x = 67,843,169.01

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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.