Home / 85,407,793.47-117,871,185.56-48,743,849.79

Finding the Fourth Proportional to 85,407,793.47, 117,871,185.56 and 48,743,849.79

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Solution

The fourth proportional to 85,407,793.47, 117,871,185.56 and 48,743,849.79 is: 67,271,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,407,793.47 : 117,871,185.56 = 48,743,849.79 : x
  2. Step 2: Convert to fraction form
    85,407,793.47/117,871,185.56 = 48,743,849.79/x
  3. Step 3: Cross multiply
    85,407,793.47x = 117,871,185.56 × 48,743,849.79
  4. Step 4: Simplify right side
    85,407,793.47x = 5,745,495,363,262,138
  5. Step 5: Solve for x
    x = 5,745,495,363,262,138/85,407,793.47
  6. Step 6: Final answer
    x = 67,271,324.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.