Home / 115,673,790.60-173,794,121.10-86,975,976.60

Finding the Fourth Proportional to 115,673,790.60, 173,794,121.10 and 86,975,976.60

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Solution

The fourth proportional to 115,673,790.60, 173,794,121.10 and 86,975,976.60 is: 130,677,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,673,790.60 : 173,794,121.10 = 86,975,976.60 : x
  2. Step 2: Convert to fraction form
    115,673,790.60/173,794,121.10 = 86,975,976.60/x
  3. Step 3: Cross multiply
    115,673,790.60x = 173,794,121.10 × 86,975,976.60
  4. Step 4: Simplify right side
    115,673,790.60x = 15,115,913,410,011,164
  5. Step 5: Solve for x
    x = 15,115,913,410,011,164/115,673,790.60
  6. Step 6: Final answer
    x = 130,677,081.92

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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.