Home / 39,292,309.60-58,938,464.40-20,160,433.60

Finding the Fourth Proportional to 39,292,309.60, 58,938,464.40 and 20,160,433.60

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Solution

The fourth proportional to 39,292,309.60, 58,938,464.40 and 20,160,433.60 is: 30,240,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292,309.60 : 58,938,464.40 = 20,160,433.60 : x
  2. Step 2: Convert to fraction form
    39,292,309.60/58,938,464.40 = 20,160,433.60/x
  3. Step 3: Cross multiply
    39,292,309.60x = 58,938,464.40 × 20,160,433.60
  4. Step 4: Simplify right side
    39,292,309.60x = 1,188,224,998,022,164
  5. Step 5: Solve for x
    x = 1,188,224,998,022,164/39,292,309.60
  6. Step 6: Final answer
    x = 30,240,650.40

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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.