Home / 84,251,012.55-126,376,518.83-84,251,012.55

Finding the Fourth Proportional to 84,251,012.55, 126,376,518.83 and 84,251,012.55

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Solution

The fourth proportional to 84,251,012.55, 126,376,518.83 and 84,251,012.55 is: 126,376,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,012.55 : 126,376,518.83 = 84,251,012.55 : x
  2. Step 2: Convert to fraction form
    84,251,012.55/126,376,518.83 = 84,251,012.55/x
  3. Step 3: Cross multiply
    84,251,012.55x = 126,376,518.83 × 84,251,012.55
  4. Step 4: Simplify right side
    84,251,012.55x = 10,647,349,673,550,386
  5. Step 5: Solve for x
    x = 10,647,349,673,550,386/84,251,012.55
  6. Step 6: Final answer
    x = 126,376,518.83

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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.