Home / 192,698,621.52-289,001,650.92-88,968,162.45

Finding the Fourth Proportional to 192,698,621.52, 289,001,650.92 and 88,968,162.45

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Solution

The fourth proportional to 192,698,621.52, 289,001,650.92 and 88,968,162.45 is: 133,430,875.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,698,621.52 : 289,001,650.92 = 88,968,162.45 : x
  2. Step 2: Convert to fraction form
    192,698,621.52/289,001,650.92 = 88,968,162.45/x
  3. Step 3: Cross multiply
    192,698,621.52x = 289,001,650.92 × 88,968,162.45
  4. Step 4: Simplify right side
    192,698,621.52x = 25,711,945,827,368,756
  5. Step 5: Solve for x
    x = 25,711,945,827,368,756/192,698,621.52
  6. Step 6: Final answer
    x = 133,430,875.76

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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.