Home / 107,853,412.80-161,780,119.20-74,850,926.70

Finding the Fourth Proportional to 107,853,412.80, 161,780,119.20 and 74,850,926.70

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Solution

The fourth proportional to 107,853,412.80, 161,780,119.20 and 74,850,926.70 is: 112,276,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,853,412.80 : 161,780,119.20 = 74,850,926.70 : x
  2. Step 2: Convert to fraction form
    107,853,412.80/161,780,119.20 = 74,850,926.70/x
  3. Step 3: Cross multiply
    107,853,412.80x = 161,780,119.20 × 74,850,926.70
  4. Step 4: Simplify right side
    107,853,412.80x = 12,109,391,843,756,462
  5. Step 5: Solve for x
    x = 12,109,391,843,756,462/107,853,412.80
  6. Step 6: Final answer
    x = 112,276,390.05

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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.