Home / 221,392,492.80-332,230,456.80-129,276,052.80

Finding the Fourth Proportional to 221,392,492.80, 332,230,456.80 and 129,276,052.80

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Solution

The fourth proportional to 221,392,492.80, 332,230,456.80 and 129,276,052.80 is: 193,996,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,492.80 : 332,230,456.80 = 129,276,052.80 : x
  2. Step 2: Convert to fraction form
    221,392,492.80/332,230,456.80 = 129,276,052.80/x
  3. Step 3: Cross multiply
    221,392,492.80x = 332,230,456.80 × 129,276,052.80
  4. Step 4: Simplify right side
    221,392,492.80x = 42,949,442,075,044,920
  5. Step 5: Solve for x
    x = 42,949,442,075,044,920/221,392,492.80
  6. Step 6: Final answer
    x = 193,996,831.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.