Home / 140,709,448.58-194,179,057.78-77,989,591.46

Finding the Fourth Proportional to 140,709,448.58, 194,179,057.78 and 77,989,591.46

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Solution

The fourth proportional to 140,709,448.58, 194,179,057.78 and 77,989,591.46 is: 107,625,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,709,448.58 : 194,179,057.78 = 77,989,591.46 : x
  2. Step 2: Convert to fraction form
    140,709,448.58/194,179,057.78 = 77,989,591.46/x
  3. Step 3: Cross multiply
    140,709,448.58x = 194,179,057.78 × 77,989,591.46
  4. Step 4: Simplify right side
    140,709,448.58x = 15,143,945,386,349,934
  5. Step 5: Solve for x
    x = 15,143,945,386,349,934/140,709,448.58
  6. Step 6: Final answer
    x = 107,625,646.60

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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.