Home / 169,485,358.32-253,907,160.76-100,190,700.72

Finding the Fourth Proportional to 169,485,358.32, 253,907,160.76 and 100,190,700.72

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Solution

The fourth proportional to 169,485,358.32, 253,907,160.76 and 100,190,700.72 is: 150,096,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485,358.32 : 253,907,160.76 = 100,190,700.72 : x
  2. Step 2: Convert to fraction form
    169,485,358.32/253,907,160.76 = 100,190,700.72/x
  3. Step 3: Cross multiply
    169,485,358.32x = 253,907,160.76 × 100,190,700.72
  4. Step 4: Simplify right side
    169,485,358.32x = 25,439,136,354,370,088
  5. Step 5: Solve for x
    x = 25,439,136,354,370,088/169,485,358.32
  6. Step 6: Final answer
    x = 150,096,365.88

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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.