Home / 193,095,095.40-289,418,694.30-78,004,074.60

Finding the Fourth Proportional to 193,095,095.40, 289,418,694.30 and 78,004,074.60

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Solution

The fourth proportional to 193,095,095.40, 289,418,694.30 and 78,004,074.60 is: 116,915,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,095,095.40 : 289,418,694.30 = 78,004,074.60 : x
  2. Step 2: Convert to fraction form
    193,095,095.40/289,418,694.30 = 78,004,074.60/x
  3. Step 3: Cross multiply
    193,095,095.40x = 289,418,694.30 × 78,004,074.60
  4. Step 4: Simplify right side
    193,095,095.40x = 22,575,837,420,811,792
  5. Step 5: Solve for x
    x = 22,575,837,420,811,792/193,095,095.40
  6. Step 6: Final answer
    x = 116,915,643.94

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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.