Home / 209,006,604.80-313,472,582.40-132,192,166.40

Finding the Fourth Proportional to 209,006,604.80, 313,472,582.40 and 132,192,166.40

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Solution

The fourth proportional to 209,006,604.80, 313,472,582.40 and 132,192,166.40 is: 198,264,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,006,604.80 : 313,472,582.40 = 132,192,166.40 : x
  2. Step 2: Convert to fraction form
    209,006,604.80/313,472,582.40 = 132,192,166.40/x
  3. Step 3: Cross multiply
    209,006,604.80x = 313,472,582.40 × 132,192,166.40
  4. Step 4: Simplify right side
    209,006,604.80x = 41,438,619,774,458,512
  5. Step 5: Solve for x
    x = 41,438,619,774,458,512/209,006,604.80
  6. Step 6: Final answer
    x = 198,264,642.47

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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.