Home / 84,106,251-126,180,684.86-25,816,884.18

Finding the Fourth Proportional to 84,106,251, 126,180,684.86 and 25,816,884.18

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Solution

The fourth proportional to 84,106,251, 126,180,684.86 and 25,816,884.18 is: 38,731,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,106,251 : 126,180,684.86 = 25,816,884.18 : x
  2. Step 2: Convert to fraction form
    84,106,251/126,180,684.86 = 25,816,884.18/x
  3. Step 3: Cross multiply
    84,106,251x = 126,180,684.86 × 25,816,884.18
  4. Step 4: Simplify right side
    84,106,251x = 3,257,592,126,783,699.50
  5. Step 5: Solve for x
    x = 3,257,592,126,783,699.50/84,106,251
  6. Step 6: Final answer
    x = 38,731,866.99

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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.