Home / 109,307,092,867.80-163,960,639,301.70-65,190,970,858.20

Finding the Fourth Proportional to 109,307,092,867.80, 163,960,639,301.70 and 65,190,970,858.20

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Solution

The fourth proportional to 109,307,092,867.80, 163,960,639,301.70 and 65,190,970,858.20 is: 97,786,456,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307,092,867.80 : 163,960,639,301.70 = 65,190,970,858.20 : x
  2. Step 2: Convert to fraction form
    109,307,092,867.80/163,960,639,301.70 = 65,190,970,858.20/x
  3. Step 3: Cross multiply
    109,307,092,867.80x = 163,960,639,301.70 × 65,190,970,858.20
  4. Step 4: Simplify right side
    109,307,092,867.80x = 10,688,753,258,608,967,286,784
  5. Step 5: Solve for x
    x = 10,688,753,258,608,967,286,784/109,307,092,867.80
  6. Step 6: Final answer
    x = 97,786,456,287.30

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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.