Home / 148,734,837.90-205,259,060.68-82,658,121.17

Finding the Fourth Proportional to 148,734,837.90, 205,259,060.68 and 82,658,121.17

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Solution

The fourth proportional to 148,734,837.90, 205,259,060.68 and 82,658,121.17 is: 114,070,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,837.90 : 205,259,060.68 = 82,658,121.17 : x
  2. Step 2: Convert to fraction form
    148,734,837.90/205,259,060.68 = 82,658,121.17/x
  3. Step 3: Cross multiply
    148,734,837.90x = 205,259,060.68 × 82,658,121.17
  4. Step 4: Simplify right side
    148,734,837.90x = 16,966,328,307,694,884
  5. Step 5: Solve for x
    x = 16,966,328,307,694,884/148,734,837.90
  6. Step 6: Final answer
    x = 114,070,977.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.