Home / 119,820,435.30-179,755,072.83-54,210,058.65

Finding the Fourth Proportional to 119,820,435.30, 179,755,072.83 and 54,210,058.65

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Solution

The fourth proportional to 119,820,435.30, 179,755,072.83 and 54,210,058.65 is: 81,326,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820,435.30 : 179,755,072.83 = 54,210,058.65 : x
  2. Step 2: Convert to fraction form
    119,820,435.30/179,755,072.83 = 54,210,058.65/x
  3. Step 3: Cross multiply
    119,820,435.30x = 179,755,072.83 × 54,210,058.65
  4. Step 4: Simplify right side
    119,820,435.30x = 9,744,533,040,749,322
  5. Step 5: Solve for x
    x = 9,744,533,040,749,322/119,820,435.30
  6. Step 6: Final answer
    x = 81,326,136.20

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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.