Home / 85,439,243.16-117,906,721.71-46,281,019.89

Finding the Fourth Proportional to 85,439,243.16, 117,906,721.71 and 46,281,019.89

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Solution

The fourth proportional to 85,439,243.16, 117,906,721.71 and 46,281,019.89 is: 63,868,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439,243.16 : 117,906,721.71 = 46,281,019.89 : x
  2. Step 2: Convert to fraction form
    85,439,243.16/117,906,721.71 = 46,281,019.89/x
  3. Step 3: Cross multiply
    85,439,243.16x = 117,906,721.71 × 46,281,019.89
  4. Step 4: Simplify right side
    85,439,243.16x = 5,456,843,332,625,205
  5. Step 5: Solve for x
    x = 5,456,843,332,625,205/85,439,243.16
  6. Step 6: Final answer
    x = 63,868,114.12

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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.