Home / 213,000,436.80-319,248,712.80-110,711,822.40

Finding the Fourth Proportional to 213,000,436.80, 319,248,712.80 and 110,711,822.40

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Solution

The fourth proportional to 213,000,436.80, 319,248,712.80 and 110,711,822.40 is: 165,936,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,000,436.80 : 319,248,712.80 = 110,711,822.40 : x
  2. Step 2: Convert to fraction form
    213,000,436.80/319,248,712.80 = 110,711,822.40/x
  3. Step 3: Cross multiply
    213,000,436.80x = 319,248,712.80 × 110,711,822.40
  4. Step 4: Simplify right side
    213,000,436.80x = 35,344,606,792,942,208
  5. Step 5: Solve for x
    x = 35,344,606,792,942,208/213,000,436.80
  6. Step 6: Final answer
    x = 165,936,780.81

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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.