Home / 131,293,887.30-196,764,790.95-102,182,878.62

Finding the Fourth Proportional to 131,293,887.30, 196,764,790.95 and 102,182,878.62

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Solution

The fourth proportional to 131,293,887.30, 196,764,790.95 and 102,182,878.62 is: 153,137,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,293,887.30 : 196,764,790.95 = 102,182,878.62 : x
  2. Step 2: Convert to fraction form
    131,293,887.30/196,764,790.95 = 102,182,878.62/x
  3. Step 3: Cross multiply
    131,293,887.30x = 196,764,790.95 × 102,182,878.62
  4. Step 4: Simplify right side
    131,293,887.30x = 20,105,992,750,333,524
  5. Step 5: Solve for x
    x = 20,105,992,750,333,524/131,293,887.30
  6. Step 6: Final answer
    x = 153,137,310.23

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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.