Home / 221,252,447.80-332,079,438.30-112,153,515.40

Finding the Fourth Proportional to 221,252,447.80, 332,079,438.30 and 112,153,515.40

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Solution

The fourth proportional to 221,252,447.80, 332,079,438.30 and 112,153,515.40 is: 168,332,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,252,447.80 : 332,079,438.30 = 112,153,515.40 : x
  2. Step 2: Convert to fraction form
    221,252,447.80/332,079,438.30 = 112,153,515.40/x
  3. Step 3: Cross multiply
    221,252,447.80x = 332,079,438.30 × 112,153,515.40
  4. Step 4: Simplify right side
    221,252,447.80x = 37,243,876,397,402,400
  5. Step 5: Solve for x
    x = 37,243,876,397,402,400/221,252,447.80
  6. Step 6: Final answer
    x = 168,332,042.28

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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.