Home / 218,962,910.97-302,136,313.20-132,988,711.50

Finding the Fourth Proportional to 218,962,910.97, 302,136,313.20 and 132,988,711.50

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Solution

The fourth proportional to 218,962,910.97, 302,136,313.20 and 132,988,711.50 is: 183,504,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,962,910.97 : 302,136,313.20 = 132,988,711.50 : x
  2. Step 2: Convert to fraction form
    218,962,910.97/302,136,313.20 = 132,988,711.50/x
  3. Step 3: Cross multiply
    218,962,910.97x = 302,136,313.20 × 132,988,711.50
  4. Step 4: Simplify right side
    218,962,910.97x = 40,180,718,989,828,440
  5. Step 5: Solve for x
    x = 40,180,718,989,828,440/218,962,910.97
  6. Step 6: Final answer
    x = 183,504,680.37

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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.