Home / 312,870,788.07-469,324,116.72-82,833,895.23

Finding the Fourth Proportional to 312,870,788.07, 469,324,116.72 and 82,833,895.23

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Solution

The fourth proportional to 312,870,788.07, 469,324,116.72 and 82,833,895.23 is: 124,255,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,870,788.07 : 469,324,116.72 = 82,833,895.23 : x
  2. Step 2: Convert to fraction form
    312,870,788.07/469,324,116.72 = 82,833,895.23/x
  3. Step 3: Cross multiply
    312,870,788.07x = 469,324,116.72 × 82,833,895.23
  4. Step 4: Simplify right side
    312,870,788.07x = 38,875,944,713,296,776
  5. Step 5: Solve for x
    x = 38,875,944,713,296,776/312,870,788.07
  6. Step 6: Final answer
    x = 124,255,591.11

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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.