Home / 199,828,189.29-275,689,715.31-120,460,797.12

Finding the Fourth Proportional to 199,828,189.29, 275,689,715.31 and 120,460,797.12

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Solution

The fourth proportional to 199,828,189.29, 275,689,715.31 and 120,460,797.12 is: 166,191,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,828,189.29 : 275,689,715.31 = 120,460,797.12 : x
  2. Step 2: Convert to fraction form
    199,828,189.29/275,689,715.31 = 120,460,797.12/x
  3. Step 3: Cross multiply
    199,828,189.29x = 275,689,715.31 × 120,460,797.12
  4. Step 4: Simplify right side
    199,828,189.29x = 33,209,802,864,028,468
  5. Step 5: Solve for x
    x = 33,209,802,864,028,468/199,828,189.29
  6. Step 6: Final answer
    x = 166,191,781.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.