Home / 107,801,171.16-161,701,681.86-25,920,022.38

Finding the Fourth Proportional to 107,801,171.16, 161,701,681.86 and 25,920,022.38

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Solution

The fourth proportional to 107,801,171.16, 161,701,681.86 and 25,920,022.38 is: 38,880,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801,171.16 : 161,701,681.86 = 25,920,022.38 : x
  2. Step 2: Convert to fraction form
    107,801,171.16/161,701,681.86 = 25,920,022.38/x
  3. Step 3: Cross multiply
    107,801,171.16x = 161,701,681.86 × 25,920,022.38
  4. Step 4: Simplify right side
    107,801,171.16x = 4,191,311,212,694,840
  5. Step 5: Solve for x
    x = 4,191,311,212,694,840/107,801,171.16
  6. Step 6: Final answer
    x = 38,880,015.57

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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.