Home / 112,623,936.75-155,421,032.72-61,115,712.75

Finding the Fourth Proportional to 112,623,936.75, 155,421,032.72 and 61,115,712.75

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Solution

The fourth proportional to 112,623,936.75, 155,421,032.72 and 61,115,712.75 is: 84,339,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,936.75 : 155,421,032.72 = 61,115,712.75 : x
  2. Step 2: Convert to fraction form
    112,623,936.75/155,421,032.72 = 61,115,712.75/x
  3. Step 3: Cross multiply
    112,623,936.75x = 155,421,032.72 × 61,115,712.75
  4. Step 4: Simplify right side
    112,623,936.75x = 9,498,667,190,718,292
  5. Step 5: Solve for x
    x = 9,498,667,190,718,292/112,623,936.75
  6. Step 6: Final answer
    x = 84,339,683.60

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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.