Home / 70,772,160.48-106,164,371.16-21,599,076.51

Finding the Fourth Proportional to 70,772,160.48, 106,164,371.16 and 21,599,076.51

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Solution

The fourth proportional to 70,772,160.48, 106,164,371.16 and 21,599,076.51 is: 32,400,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,772,160.48 : 106,164,371.16 = 21,599,076.51 : x
  2. Step 2: Convert to fraction form
    70,772,160.48/106,164,371.16 = 21,599,076.51/x
  3. Step 3: Cross multiply
    70,772,160.48x = 106,164,371.16 × 21,599,076.51
  4. Step 4: Simplify right side
    70,772,160.48x = 2,293,052,375,320,877.50
  5. Step 5: Solve for x
    x = 2,293,052,375,320,877.50/70,772,160.48
  6. Step 6: Final answer
    x = 32,400,485.72

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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.