Home / 221,400,063.80-332,100,095.70-156,776,838.20

Finding the Fourth Proportional to 221,400,063.80, 332,100,095.70 and 156,776,838.20

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Solution

The fourth proportional to 221,400,063.80, 332,100,095.70 and 156,776,838.20 is: 235,165,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,400,063.80 : 332,100,095.70 = 156,776,838.20 : x
  2. Step 2: Convert to fraction form
    221,400,063.80/332,100,095.70 = 156,776,838.20/x
  3. Step 3: Cross multiply
    221,400,063.80x = 332,100,095.70 × 156,776,838.20
  4. Step 4: Simplify right side
    221,400,063.80x = 52,065,602,969,763,408
  5. Step 5: Solve for x
    x = 52,065,602,969,763,408/221,400,063.80
  6. Step 6: Final answer
    x = 235,165,257.30

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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.