Home / 283,458,491.73-391,172,715.34-153,078,299.73

Finding the Fourth Proportional to 283,458,491.73, 391,172,715.34 and 153,078,299.73

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Solution

The fourth proportional to 283,458,491.73, 391,172,715.34 and 153,078,299.73 is: 211,248,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,491.73 : 391,172,715.34 = 153,078,299.73 : x
  2. Step 2: Convert to fraction form
    283,458,491.73/391,172,715.34 = 153,078,299.73/x
  3. Step 3: Cross multiply
    283,458,491.73x = 391,172,715.34 × 153,078,299.73
  4. Step 4: Simplify right side
    283,458,491.73x = 59,880,054,164,631,784
  5. Step 5: Solve for x
    x = 59,880,054,164,631,784/283,458,491.73
  6. Step 6: Final answer
    x = 211,248,051.87

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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.