Home / 148,734,839.90-205,259,063.44-82,658,123.16

Finding the Fourth Proportional to 148,734,839.90, 205,259,063.44 and 82,658,123.16

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Solution

The fourth proportional to 148,734,839.90, 205,259,063.44 and 82,658,123.16 is: 114,070,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,839.90 : 205,259,063.44 = 82,658,123.16 : x
  2. Step 2: Convert to fraction form
    148,734,839.90/205,259,063.44 = 82,658,123.16/x
  3. Step 3: Cross multiply
    148,734,839.90x = 205,259,063.44 × 82,658,123.16
  4. Step 4: Simplify right side
    148,734,839.90x = 16,966,328,945,529,772
  5. Step 5: Solve for x
    x = 16,966,328,945,529,772/148,734,839.90
  6. Step 6: Final answer
    x = 114,070,979.99

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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.