Home / 107,780,427.11-161,668,319.45-30,055,260.23

Finding the Fourth Proportional to 107,780,427.11, 161,668,319.45 and 30,055,260.23

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Solution

The fourth proportional to 107,780,427.11, 161,668,319.45 and 30,055,260.23 is: 45,082,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780,427.11 : 161,668,319.45 = 30,055,260.23 : x
  2. Step 2: Convert to fraction form
    107,780,427.11/161,668,319.45 = 30,055,260.23/x
  3. Step 3: Cross multiply
    107,780,427.11x = 161,668,319.45 × 30,055,260.23
  4. Step 4: Simplify right side
    107,780,427.11x = 4,858,983,411,057,903
  5. Step 5: Solve for x
    x = 4,858,983,411,057,903/107,780,427.11
  6. Step 6: Final answer
    x = 45,082,243.05

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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.