Home / 85,407,794.72-117,871,187.28-48,743,851.04

Finding the Fourth Proportional to 85,407,794.72, 117,871,187.28 and 48,743,851.04

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Solution

The fourth proportional to 85,407,794.72, 117,871,187.28 and 48,743,851.04 is: 67,271,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,407,794.72 : 117,871,187.28 = 48,743,851.04 : x
  2. Step 2: Convert to fraction form
    85,407,794.72/117,871,187.28 = 48,743,851.04/x
  3. Step 3: Cross multiply
    85,407,794.72x = 117,871,187.28 × 48,743,851.04
  4. Step 4: Simplify right side
    85,407,794.72x = 5,745,495,594,684,263
  5. Step 5: Solve for x
    x = 5,745,495,594,684,263/85,407,794.72
  6. Step 6: Final answer
    x = 67,271,325.92

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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.