Home / 127,284,975,967.28-190,770,246,498.78-109,230,447,199.70

Finding the Fourth Proportional to 127,284,975,967.28, 190,770,246,498.78 and 109,230,447,199.70

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Solution

The fourth proportional to 127,284,975,967.28, 190,770,246,498.78 and 109,230,447,199.70 is: 163,710,753,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,284,975,967.28 : 190,770,246,498.78 = 109,230,447,199.70 : x
  2. Step 2: Convert to fraction form
    127,284,975,967.28/190,770,246,498.78 = 109,230,447,199.70/x
  3. Step 3: Cross multiply
    127,284,975,967.28x = 190,770,246,498.78 × 109,230,447,199.70
  4. Step 4: Simplify right side
    127,284,975,967.28x = 20,837,919,337,458,742,329,344
  5. Step 5: Solve for x
    x = 20,837,919,337,458,742,329,344/127,284,975,967.28
  6. Step 6: Final answer
    x = 163,710,753,599.19

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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.