Home / 221,472,057.60-332,208,086.40-112,632,940.80

Finding the Fourth Proportional to 221,472,057.60, 332,208,086.40 and 112,632,940.80

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Solution

The fourth proportional to 221,472,057.60, 332,208,086.40 and 112,632,940.80 is: 168,949,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,472,057.60 : 332,208,086.40 = 112,632,940.80 : x
  2. Step 2: Convert to fraction form
    221,472,057.60/332,208,086.40 = 112,632,940.80/x
  3. Step 3: Cross multiply
    221,472,057.60x = 332,208,086.40 × 112,632,940.80
  4. Step 4: Simplify right side
    221,472,057.60x = 37,417,573,728,772,480
  5. Step 5: Solve for x
    x = 37,417,573,728,772,480/221,472,057.60
  6. Step 6: Final answer
    x = 168,949,411.20

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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.