Home / 171,219,968,014.80-256,829,952,022.20-111,712,180,904.40

Finding the Fourth Proportional to 171,219,968,014.80, 256,829,952,022.20 and 111,712,180,904.40

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Solution

The fourth proportional to 171,219,968,014.80, 256,829,952,022.20 and 111,712,180,904.40 is: 167,568,271,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,219,968,014.80 : 256,829,952,022.20 = 111,712,180,904.40 : x
  2. Step 2: Convert to fraction form
    171,219,968,014.80/256,829,952,022.20 = 111,712,180,904.40/x
  3. Step 3: Cross multiply
    171,219,968,014.80x = 256,829,952,022.20 × 111,712,180,904.40
  4. Step 4: Simplify right side
    171,219,968,014.80x = 28,691,034,061,972,380,319,744
  5. Step 5: Solve for x
    x = 28,691,034,061,972,380,319,744/171,219,968,014.80
  6. Step 6: Final answer
    x = 167,568,271,356.60

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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.