Home / 55,309,809.70-83,014,906.20-28,035,076.60

Finding the Fourth Proportional to 55,309,809.70, 83,014,906.20 and 28,035,076.60

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Solution

The fourth proportional to 55,309,809.70, 83,014,906.20 and 28,035,076.60 is: 42,078,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309,809.70 : 83,014,906.20 = 28,035,076.60 : x
  2. Step 2: Convert to fraction form
    55,309,809.70/83,014,906.20 = 28,035,076.60/x
  3. Step 3: Cross multiply
    55,309,809.70x = 83,014,906.20 × 28,035,076.60
  4. Step 4: Simplify right side
    55,309,809.70x = 2,327,329,254,258,815
  5. Step 5: Solve for x
    x = 2,327,329,254,258,815/55,309,809.70
  6. Step 6: Final answer
    x = 42,078,055.72

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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.