Home / 71,317,426.60-98,418,411.78-40,383,623.80

Finding the Fourth Proportional to 71,317,426.60, 98,418,411.78 and 40,383,623.80

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Solution

The fourth proportional to 71,317,426.60, 98,418,411.78 and 40,383,623.80 is: 55,729,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317,426.60 : 98,418,411.78 = 40,383,623.80 : x
  2. Step 2: Convert to fraction form
    71,317,426.60/98,418,411.78 = 40,383,623.80/x
  3. Step 3: Cross multiply
    71,317,426.60x = 98,418,411.78 × 40,383,623.80
  4. Step 4: Simplify right side
    71,317,426.60x = 3,974,492,116,317,008
  5. Step 5: Solve for x
    x = 3,974,492,116,317,008/71,317,426.60
  6. Step 6: Final answer
    x = 55,729,606.43

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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.