Home / 60,505,938.30-90,767,201.85-20,112,210.30

Finding the Fourth Proportional to 60,505,938.30, 90,767,201.85 and 20,112,210.30

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Solution

The fourth proportional to 60,505,938.30, 90,767,201.85 and 20,112,210.30 is: 30,171,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,505,938.30 : 90,767,201.85 = 20,112,210.30 : x
  2. Step 2: Convert to fraction form
    60,505,938.30/90,767,201.85 = 20,112,210.30/x
  3. Step 3: Cross multiply
    60,505,938.30x = 90,767,201.85 × 20,112,210.30
  4. Step 4: Simplify right side
    60,505,938.30x = 1,825,529,051,949,749
  5. Step 5: Solve for x
    x = 1,825,529,051,949,749/60,505,938.30
  6. Step 6: Final answer
    x = 30,171,072.51

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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.