Home / 157,780,943.71-217,733,525.57-88,166,896.63

Finding the Fourth Proportional to 157,780,943.71, 217,733,525.57 and 88,166,896.63

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Solution

The fourth proportional to 157,780,943.71, 217,733,525.57 and 88,166,896.63 is: 121,667,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780,943.71 : 217,733,525.57 = 88,166,896.63 : x
  2. Step 2: Convert to fraction form
    157,780,943.71/217,733,525.57 = 88,166,896.63/x
  3. Step 3: Cross multiply
    157,780,943.71x = 217,733,525.57 × 88,166,896.63
  4. Step 4: Simplify right side
    157,780,943.71x = 19,196,889,241,491,732
  5. Step 5: Solve for x
    x = 19,196,889,241,491,732/157,780,943.71
  6. Step 6: Final answer
    x = 121,667,983.41

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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.