Home / 82,912,063.16-124,384,035.54-31,790,095.22

Finding the Fourth Proportional to 82,912,063.16, 124,384,035.54 and 31,790,095.22

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Solution

The fourth proportional to 82,912,063.16, 124,384,035.54 and 31,790,095.22 is: 47,691,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,063.16 : 124,384,035.54 = 31,790,095.22 : x
  2. Step 2: Convert to fraction form
    82,912,063.16/124,384,035.54 = 31,790,095.22/x
  3. Step 3: Cross multiply
    82,912,063.16x = 124,384,035.54 × 31,790,095.22
  4. Step 4: Simplify right side
    82,912,063.16x = 3,954,180,333,664,464
  5. Step 5: Solve for x
    x = 3,954,180,333,664,464/82,912,063.16
  6. Step 6: Final answer
    x = 47,691,254.84

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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.