Home / 127,584,016.60-191,376,024.90-109,668,112.60

Finding the Fourth Proportional to 127,584,016.60, 191,376,024.90 and 109,668,112.60

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Solution

The fourth proportional to 127,584,016.60, 191,376,024.90 and 109,668,112.60 is: 164,502,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,016.60 : 191,376,024.90 = 109,668,112.60 : x
  2. Step 2: Convert to fraction form
    127,584,016.60/191,376,024.90 = 109,668,112.60/x
  3. Step 3: Cross multiply
    127,584,016.60x = 191,376,024.90 × 109,668,112.60
  4. Step 4: Simplify right side
    127,584,016.60x = 20,987,847,447,673,604
  5. Step 5: Solve for x
    x = 20,987,847,447,673,604/127,584,016.60
  6. Step 6: Final answer
    x = 164,502,168.90

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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.