Home / 156,693,256.20-235,039,884.30-120,861,448.20

Finding the Fourth Proportional to 156,693,256.20, 235,039,884.30 and 120,861,448.20

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Solution

The fourth proportional to 156,693,256.20, 235,039,884.30 and 120,861,448.20 is: 181,292,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,693,256.20 : 235,039,884.30 = 120,861,448.20 : x
  2. Step 2: Convert to fraction form
    156,693,256.20/235,039,884.30 = 120,861,448.20/x
  3. Step 3: Cross multiply
    156,693,256.20x = 235,039,884.30 × 120,861,448.20
  4. Step 4: Simplify right side
    156,693,256.20x = 28,407,260,801,258,444
  5. Step 5: Solve for x
    x = 28,407,260,801,258,444/156,693,256.20
  6. Step 6: Final answer
    x = 181,292,172.30

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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.