Home / 283,795,771.53-425,910,934.42-128,458,666.87

Finding the Fourth Proportional to 283,795,771.53, 425,910,934.42 and 128,458,666.87

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Solution

The fourth proportional to 283,795,771.53, 425,910,934.42 and 128,458,666.87 is: 192,786,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795,771.53 : 425,910,934.42 = 128,458,666.87 : x
  2. Step 2: Convert to fraction form
    283,795,771.53/425,910,934.42 = 128,458,666.87/x
  3. Step 3: Cross multiply
    283,795,771.53x = 425,910,934.42 × 128,458,666.87
  4. Step 4: Simplify right side
    283,795,771.53x = 54,711,950,839,563,280
  5. Step 5: Solve for x
    x = 54,711,950,839,563,280/283,795,771.53
  6. Step 6: Final answer
    x = 192,786,349.65

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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.