Home / 263,835,390.92-395,813,885.92-91,312,206.46

Finding the Fourth Proportional to 263,835,390.92, 395,813,885.92 and 91,312,206.46

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Solution

The fourth proportional to 263,835,390.92, 395,813,885.92 and 91,312,206.46 is: 136,989,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,835,390.92 : 395,813,885.92 = 91,312,206.46 : x
  2. Step 2: Convert to fraction form
    263,835,390.92/395,813,885.92 = 91,312,206.46/x
  3. Step 3: Cross multiply
    263,835,390.92x = 395,813,885.92 × 91,312,206.46
  4. Step 4: Simplify right side
    263,835,390.92x = 36,142,639,269,644,112
  5. Step 5: Solve for x
    x = 36,142,639,269,644,112/263,835,390.92
  6. Step 6: Final answer
    x = 136,989,352.13

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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.