Home / 221,472,396.80-332,544,518.40-170,412,070.40

Finding the Fourth Proportional to 221,472,396.80, 332,544,518.40 and 170,412,070.40

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Solution

The fourth proportional to 221,472,396.80, 332,544,518.40 and 170,412,070.40 is: 255,876,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,472,396.80 : 332,544,518.40 = 170,412,070.40 : x
  2. Step 2: Convert to fraction form
    221,472,396.80/332,544,518.40 = 170,412,070.40/x
  3. Step 3: Cross multiply
    221,472,396.80x = 332,544,518.40 × 170,412,070.40
  4. Step 4: Simplify right side
    221,472,396.80x = 56,669,599,880,714,896
  5. Step 5: Solve for x
    x = 56,669,599,880,714,896/221,472,396.80
  6. Step 6: Final answer
    x = 255,876,581.91

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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.