Home / 39,292,357.60-58,938,536.40-20,160,481.60

Finding the Fourth Proportional to 39,292,357.60, 58,938,536.40 and 20,160,481.60

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Solution

The fourth proportional to 39,292,357.60, 58,938,536.40 and 20,160,481.60 is: 30,240,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292,357.60 : 58,938,536.40 = 20,160,481.60 : x
  2. Step 2: Convert to fraction form
    39,292,357.60/58,938,536.40 = 20,160,481.60/x
  3. Step 3: Cross multiply
    39,292,357.60x = 58,938,536.40 × 20,160,481.60
  4. Step 4: Simplify right side
    39,292,357.60x = 1,188,229,278,623,130.25
  5. Step 5: Solve for x
    x = 1,188,229,278,623,130.25/39,292,357.60
  6. Step 6: Final answer
    x = 30,240,722.40

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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.