Home / 51,871,691.92-71,583,157.20-28,350,702.40

Finding the Fourth Proportional to 51,871,691.92, 71,583,157.20 and 28,350,702.40

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Solution

The fourth proportional to 51,871,691.92, 71,583,157.20 and 28,350,702.40 is: 39,124,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871,691.92 : 71,583,157.20 = 28,350,702.40 : x
  2. Step 2: Convert to fraction form
    51,871,691.92/71,583,157.20 = 28,350,702.40/x
  3. Step 3: Cross multiply
    51,871,691.92x = 71,583,157.20 × 28,350,702.40
  4. Step 4: Simplify right side
    51,871,691.92x = 2,029,432,786,629,617.25
  5. Step 5: Solve for x
    x = 2,029,432,786,629,617.25/51,871,691.92
  6. Step 6: Final answer
    x = 39,124,090.84

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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.