Home / 157,780,951.31-217,733,536.06-88,166,904.23

Finding the Fourth Proportional to 157,780,951.31, 217,733,536.06 and 88,166,904.23

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Solution

The fourth proportional to 157,780,951.31, 217,733,536.06 and 88,166,904.23 is: 121,667,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780,951.31 : 217,733,536.06 = 88,166,904.23 : x
  2. Step 2: Convert to fraction form
    157,780,951.31/217,733,536.06 = 88,166,904.23/x
  3. Step 3: Cross multiply
    157,780,951.31x = 217,733,536.06 × 88,166,904.23
  4. Step 4: Simplify right side
    157,780,951.31x = 19,196,891,821,785,188
  5. Step 5: Solve for x
    x = 19,196,891,821,785,188/157,780,951.31
  6. Step 6: Final answer
    x = 121,667,993.90

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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.