Home / 131,468,235.60-196,942,537.80-115,312,429.20

Finding the Fourth Proportional to 131,468,235.60, 196,942,537.80 and 115,312,429.20

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Solution

The fourth proportional to 131,468,235.60, 196,942,537.80 and 115,312,429.20 is: 172,740,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,468,235.60 : 196,942,537.80 = 115,312,429.20 : x
  2. Step 2: Convert to fraction form
    131,468,235.60/196,942,537.80 = 115,312,429.20/x
  3. Step 3: Cross multiply
    131,468,235.60x = 196,942,537.80 × 115,312,429.20
  4. Step 4: Simplify right side
    131,468,235.60x = 22,709,922,446,530,824
  5. Step 5: Solve for x
    x = 22,709,922,446,530,824/131,468,235.60
  6. Step 6: Final answer
    x = 172,740,756.30

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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.