Home / 84,609,126.72-126,916,698.42-27,093,924.90

Finding the Fourth Proportional to 84,609,126.72, 126,916,698.42 and 27,093,924.90

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Solution

The fourth proportional to 84,609,126.72, 126,916,698.42 and 27,093,924.90 is: 40,641,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,609,126.72 : 126,916,698.42 = 27,093,924.90 : x
  2. Step 2: Convert to fraction form
    84,609,126.72/126,916,698.42 = 27,093,924.90/x
  3. Step 3: Cross multiply
    84,609,126.72x = 126,916,698.42 × 27,093,924.90
  4. Step 4: Simplify right side
    84,609,126.72x = 3,438,671,495,547,428.50
  5. Step 5: Solve for x
    x = 3,438,671,495,547,428.50/84,609,126.72
  6. Step 6: Final answer
    x = 40,641,850.69

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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.