Home / 200,115,820.56-300,225,483.90-117,187,607.55

Finding the Fourth Proportional to 200,115,820.56, 300,225,483.90 and 117,187,607.55

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Solution

The fourth proportional to 200,115,820.56, 300,225,483.90 and 117,187,607.55 is: 175,811,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,115,820.56 : 300,225,483.90 = 117,187,607.55 : x
  2. Step 2: Convert to fraction form
    200,115,820.56/300,225,483.90 = 117,187,607.55/x
  3. Step 3: Cross multiply
    200,115,820.56x = 300,225,483.90 × 117,187,607.55
  4. Step 4: Simplify right side
    200,115,820.56x = 35,182,706,183,782,040
  5. Step 5: Solve for x
    x = 35,182,706,183,782,040/200,115,820.56
  6. Step 6: Final answer
    x = 175,811,717.86

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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.