Home / 150,472,074,428.96-207,604,714,874.64-85,355,769,892.64

Finding the Fourth Proportional to 150,472,074,428.96, 207,604,714,874.64 and 85,355,769,892.64

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Solution

The fourth proportional to 150,472,074,428.96, 207,604,714,874.64 and 85,355,769,892.64 is: 117,764,444,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,472,074,428.96 : 207,604,714,874.64 = 85,355,769,892.64 : x
  2. Step 2: Convert to fraction form
    150,472,074,428.96/207,604,714,874.64 = 85,355,769,892.64/x
  3. Step 3: Cross multiply
    150,472,074,428.96x = 207,604,714,874.64 × 85,355,769,892.64
  4. Step 4: Simplify right side
    150,472,074,428.96x = 17,720,260,271,466,910,580,736
  5. Step 5: Solve for x
    x = 17,720,260,271,466,910,580,736/150,472,074,428.96
  6. Step 6: Final answer
    x = 117,764,444,590.24

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1.5x scale

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.