Home / 166,827,128.80-250,240,693.20-155,489,720.80

Finding the Fourth Proportional to 166,827,128.80, 250,240,693.20 and 155,489,720.80

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Solution

The fourth proportional to 166,827,128.80, 250,240,693.20 and 155,489,720.80 is: 233,234,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,827,128.80 : 250,240,693.20 = 155,489,720.80 : x
  2. Step 2: Convert to fraction form
    166,827,128.80/250,240,693.20 = 155,489,720.80/x
  3. Step 3: Cross multiply
    166,827,128.80x = 250,240,693.20 × 155,489,720.80
  4. Step 4: Simplify right side
    166,827,128.80x = 38,909,855,518,466,456
  5. Step 5: Solve for x
    x = 38,909,855,518,466,456/166,827,128.80
  6. Step 6: Final answer
    x = 233,234,581.20

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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.