Home / 321,804,647.80-482,711,394.30-91,773,752.20

Finding the Fourth Proportional to 321,804,647.80, 482,711,394.30 and 91,773,752.20

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Solution

The fourth proportional to 321,804,647.80, 482,711,394.30 and 91,773,752.20 is: 137,661,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,804,647.80 : 482,711,394.30 = 91,773,752.20 : x
  2. Step 2: Convert to fraction form
    321,804,647.80/482,711,394.30 = 91,773,752.20/x
  3. Step 3: Cross multiply
    321,804,647.80x = 482,711,394.30 × 91,773,752.20
  4. Step 4: Simplify right side
    321,804,647.80x = 44,300,235,884,604,696
  5. Step 5: Solve for x
    x = 44,300,235,884,604,696/321,804,647.80
  6. Step 6: Final answer
    x = 137,661,889.56

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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.