Home / 140,591,054.61-194,000,885.21-77,865,509.42

Finding the Fourth Proportional to 140,591,054.61, 194,000,885.21 and 77,865,509.42

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Solution

The fourth proportional to 140,591,054.61, 194,000,885.21 and 77,865,509.42 is: 107,446,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591,054.61 : 194,000,885.21 = 77,865,509.42 : x
  2. Step 2: Convert to fraction form
    140,591,054.61/194,000,885.21 = 77,865,509.42/x
  3. Step 3: Cross multiply
    140,591,054.61x = 194,000,885.21 × 77,865,509.42
  4. Step 4: Simplify right side
    140,591,054.61x = 15,105,977,753,448,264
  5. Step 5: Solve for x
    x = 15,105,977,753,448,264/140,591,054.61
  6. Step 6: Final answer
    x = 107,446,222.63

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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.