Home / 251,521,363.80-377,282,045.70-79,015,615.20

Finding the Fourth Proportional to 251,521,363.80, 377,282,045.70 and 79,015,615.20

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Solution

The fourth proportional to 251,521,363.80, 377,282,045.70 and 79,015,615.20 is: 118,523,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,521,363.80 : 377,282,045.70 = 79,015,615.20 : x
  2. Step 2: Convert to fraction form
    251,521,363.80/377,282,045.70 = 79,015,615.20/x
  3. Step 3: Cross multiply
    251,521,363.80x = 377,282,045.70 × 79,015,615.20
  4. Step 4: Simplify right side
    251,521,363.80x = 29,811,172,944,900,016
  5. Step 5: Solve for x
    x = 29,811,172,944,900,016/251,521,363.80
  6. Step 6: Final answer
    x = 118,523,422.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.