Home / 131,293,890.80-196,764,796.16-102,182,882.16

Finding the Fourth Proportional to 131,293,890.80, 196,764,796.16 and 102,182,882.16

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Solution

The fourth proportional to 131,293,890.80, 196,764,796.16 and 102,182,882.16 is: 153,137,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293,890.80 : 196,764,796.16 = 102,182,882.16 : x
  2. Step 2: Convert to fraction form
    131,293,890.80/196,764,796.16 = 102,182,882.16/x
  3. Step 3: Cross multiply
    131,293,890.80x = 196,764,796.16 × 102,182,882.16
  4. Step 4: Simplify right side
    131,293,890.80x = 20,105,993,979,253,700
  5. Step 5: Solve for x
    x = 20,105,993,979,253,700/131,293,890.80
  6. Step 6: Final answer
    x = 153,137,315.50

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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.