Home / 85,439,237.15-117,906,713.42-46,281,013.89

Finding the Fourth Proportional to 85,439,237.15, 117,906,713.42 and 46,281,013.89

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Solution

The fourth proportional to 85,439,237.15, 117,906,713.42 and 46,281,013.89 is: 63,868,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,237.15 : 117,906,713.42 = 46,281,013.89 : x
  2. Step 2: Convert to fraction form
    85,439,237.15/117,906,713.42 = 46,281,013.89/x
  3. Step 3: Cross multiply
    85,439,237.15x = 117,906,713.42 × 46,281,013.89
  4. Step 4: Simplify right side
    85,439,237.15x = 5,456,842,241,283,865
  5. Step 5: Solve for x
    x = 5,456,842,241,283,865/85,439,237.15
  6. Step 6: Final answer
    x = 63,868,105.84

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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.