Home / 171,000,004.80-256,500,007.20-49,835,409.60

Finding the Fourth Proportional to 171,000,004.80, 256,500,007.20 and 49,835,409.60

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Solution

The fourth proportional to 171,000,004.80, 256,500,007.20 and 49,835,409.60 is: 74,753,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000,004.80 : 256,500,007.20 = 49,835,409.60 : x
  2. Step 2: Convert to fraction form
    171,000,004.80/256,500,007.20 = 49,835,409.60/x
  3. Step 3: Cross multiply
    171,000,004.80x = 256,500,007.20 × 49,835,409.60
  4. Step 4: Simplify right side
    171,000,004.80x = 12,782,782,921,214,948
  5. Step 5: Solve for x
    x = 12,782,782,921,214,948/171,000,004.80
  6. Step 6: Final answer
    x = 74,753,114.40

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1.5x scale

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.