Home / 107,780,434.21-161,668,330.14-30,055,267.35

Finding the Fourth Proportional to 107,780,434.21, 161,668,330.14 and 30,055,267.35

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Solution

The fourth proportional to 107,780,434.21, 161,668,330.14 and 30,055,267.35 is: 45,082,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780,434.21 : 161,668,330.14 = 30,055,267.35 : x
  2. Step 2: Convert to fraction form
    107,780,434.21/161,668,330.14 = 30,055,267.35/x
  3. Step 3: Cross multiply
    107,780,434.21x = 161,668,330.14 × 30,055,267.35
  4. Step 4: Simplify right side
    107,780,434.21x = 4,858,984,884,498,471
  5. Step 5: Solve for x
    x = 4,858,984,884,498,471/107,780,434.21
  6. Step 6: Final answer
    x = 45,082,253.75

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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.