Home / 318,025,601.60-476,684,108.40-123,872,489.60

Finding the Fourth Proportional to 318,025,601.60, 476,684,108.40 and 123,872,489.60

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Solution

The fourth proportional to 318,025,601.60, 476,684,108.40 and 123,872,489.60 is: 185,670,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,025,601.60 : 476,684,108.40 = 123,872,489.60 : x
  2. Step 2: Convert to fraction form
    318,025,601.60/476,684,108.40 = 123,872,489.60/x
  3. Step 3: Cross multiply
    318,025,601.60x = 476,684,108.40 × 123,872,489.60
  4. Step 4: Simplify right side
    318,025,601.60x = 59,048,047,260,264,264
  5. Step 5: Solve for x
    x = 59,048,047,260,264,264/318,025,601.60
  6. Step 6: Final answer
    x = 185,670,735.20

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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.