Home / 452,760,140.94-679,283,765.37-161,621,014.38

Finding the Fourth Proportional to 452,760,140.94, 679,283,765.37 and 161,621,014.38

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Solution

The fourth proportional to 452,760,140.94, 679,283,765.37 and 161,621,014.38 is: 242,482,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,760,140.94 : 679,283,765.37 = 161,621,014.38 : x
  2. Step 2: Convert to fraction form
    452,760,140.94/679,283,765.37 = 161,621,014.38/x
  3. Step 3: Cross multiply
    452,760,140.94x = 679,283,765.37 × 161,621,014.38
  4. Step 4: Simplify right side
    452,760,140.94x = 109,786,531,210,965,312
  5. Step 5: Solve for x
    x = 109,786,531,210,965,312/452,760,140.94
  6. Step 6: Final answer
    x = 242,482,765.78

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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.