Home / 192,718,653.15-289,043,808.46-87,649,385.65

Finding the Fourth Proportional to 192,718,653.15, 289,043,808.46 and 87,649,385.65

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Solution

The fourth proportional to 192,718,653.15, 289,043,808.46 and 87,649,385.65 is: 131,458,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,718,653.15 : 289,043,808.46 = 87,649,385.65 : x
  2. Step 2: Convert to fraction form
    192,718,653.15/289,043,808.46 = 87,649,385.65/x
  3. Step 3: Cross multiply
    192,718,653.15x = 289,043,808.46 × 87,649,385.65
  4. Step 4: Simplify right side
    192,718,653.15x = 25,334,512,237,017,024
  5. Step 5: Solve for x
    x = 25,334,512,237,017,024/192,718,653.15
  6. Step 6: Final answer
    x = 131,458,537.22

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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.