Home / 157,780,940.61-217,733,521.31-88,166,893.53

Finding the Fourth Proportional to 157,780,940.61, 217,733,521.31 and 88,166,893.53

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Solution

The fourth proportional to 157,780,940.61, 217,733,521.31 and 88,166,893.53 is: 121,667,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780,940.61 : 217,733,521.31 = 88,166,893.53 : x
  2. Step 2: Convert to fraction form
    157,780,940.61/217,733,521.31 = 88,166,893.53/x
  3. Step 3: Cross multiply
    157,780,940.61x = 217,733,521.31 × 88,166,893.53
  4. Step 4: Simplify right side
    157,780,940.61x = 19,196,888,192,452,548
  5. Step 5: Solve for x
    x = 19,196,888,192,452,548/157,780,940.61
  6. Step 6: Final answer
    x = 121,667,979.15

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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.