Home / 70,772,165.51-106,164,378.66-21,599,081.51

Finding the Fourth Proportional to 70,772,165.51, 106,164,378.66 and 21,599,081.51

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Solution

The fourth proportional to 70,772,165.51, 106,164,378.66 and 21,599,081.51 is: 32,400,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,772,165.51 : 106,164,378.66 = 21,599,081.51 : x
  2. Step 2: Convert to fraction form
    70,772,165.51/106,164,378.66 = 21,599,081.51/x
  3. Step 3: Cross multiply
    70,772,165.51x = 106,164,378.66 × 21,599,081.51
  4. Step 4: Simplify right side
    70,772,165.51x = 2,293,053,068,135,844.50
  5. Step 5: Solve for x
    x = 2,293,053,068,135,844.50/70,772,165.51
  6. Step 6: Final answer
    x = 32,400,493.21

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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.