Home / 140,703,877.88-194,171,369.87-77,984,025.14

Finding the Fourth Proportional to 140,703,877.88, 194,171,369.87 and 77,984,025.14

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Solution

The fourth proportional to 140,703,877.88, 194,171,369.87 and 77,984,025.14 is: 107,617,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,877.88 : 194,171,369.87 = 77,984,025.14 : x
  2. Step 2: Convert to fraction form
    140,703,877.88/194,171,369.87 = 77,984,025.14/x
  3. Step 3: Cross multiply
    140,703,877.88x = 194,171,369.87 × 77,984,025.14
  4. Step 4: Simplify right side
    140,703,877.88x = 15,142,264,988,634,422
  5. Step 5: Solve for x
    x = 15,142,264,988,634,422/140,703,877.88
  6. Step 6: Final answer
    x = 107,617,964.88

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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.