Home / 157,522,698.41-217,384,803.59-86,958,141.47

Finding the Fourth Proportional to 157,522,698.41, 217,384,803.59 and 86,958,141.47

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Solution

The fourth proportional to 157,522,698.41, 217,384,803.59 and 86,958,141.47 is: 120,004,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,698.41 : 217,384,803.59 = 86,958,141.47 : x
  2. Step 2: Convert to fraction form
    157,522,698.41/217,384,803.59 = 86,958,141.47/x
  3. Step 3: Cross multiply
    157,522,698.41x = 217,384,803.59 × 86,958,141.47
  4. Step 4: Simplify right side
    157,522,698.41x = 18,903,378,504,007,384
  5. Step 5: Solve for x
    x = 18,903,378,504,007,384/157,522,698.41
  6. Step 6: Final answer
    x = 120,004,156.20

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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.