Home / 321,804,653.80-482,711,403.30-91,773,758.20

Finding the Fourth Proportional to 321,804,653.80, 482,711,403.30 and 91,773,758.20

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Solution

The fourth proportional to 321,804,653.80, 482,711,403.30 and 91,773,758.20 is: 137,661,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,804,653.80 : 482,711,403.30 = 91,773,758.20 : x
  2. Step 2: Convert to fraction form
    321,804,653.80/482,711,403.30 = 91,773,758.20/x
  3. Step 3: Cross multiply
    321,804,653.80x = 482,711,403.30 × 91,773,758.20
  4. Step 4: Simplify right side
    321,804,653.80x = 44,300,239,606,836,888
  5. Step 5: Solve for x
    x = 44,300,239,606,836,888/321,804,653.80
  6. Step 6: Final answer
    x = 137,661,898.56

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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.