Home / 283,458,491.86-391,172,715.51-153,078,299.86

Finding the Fourth Proportional to 283,458,491.86, 391,172,715.51 and 153,078,299.86

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Solution

The fourth proportional to 283,458,491.86, 391,172,715.51 and 153,078,299.86 is: 211,248,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,491.86 : 391,172,715.51 = 153,078,299.86 : x
  2. Step 2: Convert to fraction form
    283,458,491.86/391,172,715.51 = 153,078,299.86/x
  3. Step 3: Cross multiply
    283,458,491.86x = 391,172,715.51 × 153,078,299.86
  4. Step 4: Simplify right side
    283,458,491.86x = 59,880,054,239,934,384
  5. Step 5: Solve for x
    x = 59,880,054,239,934,384/283,458,491.86
  6. Step 6: Final answer
    x = 211,248,052.04

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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.