Home / 112,371,046.20-155,084,628.78-63,481,623.48

Finding the Fourth Proportional to 112,371,046.20, 155,084,628.78 and 63,481,623.48

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Solution

The fourth proportional to 112,371,046.20, 155,084,628.78 and 63,481,623.48 is: 87,611,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,046.20 : 155,084,628.78 = 63,481,623.48 : x
  2. Step 2: Convert to fraction form
    112,371,046.20/155,084,628.78 = 63,481,623.48/x
  3. Step 3: Cross multiply
    112,371,046.20x = 155,084,628.78 × 63,481,623.48
  4. Step 4: Simplify right side
    112,371,046.20x = 9,845,024,011,747,532
  5. Step 5: Solve for x
    x = 9,845,024,011,747,532/112,371,046.20
  6. Step 6: Final answer
    x = 87,611,750.04

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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.