Home / 84,176,769.80-126,265,154.70-55,455,336.20

Finding the Fourth Proportional to 84,176,769.80, 126,265,154.70 and 55,455,336.20

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Solution

The fourth proportional to 84,176,769.80, 126,265,154.70 and 55,455,336.20 is: 83,183,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,176,769.80 : 126,265,154.70 = 55,455,336.20 : x
  2. Step 2: Convert to fraction form
    84,176,769.80/126,265,154.70 = 55,455,336.20/x
  3. Step 3: Cross multiply
    84,176,769.80x = 126,265,154.70 × 55,455,336.20
  4. Step 4: Simplify right side
    84,176,769.80x = 7,002,076,604,233,511
  5. Step 5: Solve for x
    x = 7,002,076,604,233,511/84,176,769.80
  6. Step 6: Final answer
    x = 83,183,004.30

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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.