Home / 231,143,496.66-318,977,948.40-126,719,325.93

Finding the Fourth Proportional to 231,143,496.66, 318,977,948.40 and 126,719,325.93

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Solution

The fourth proportional to 231,143,496.66, 318,977,948.40 and 126,719,325.93 is: 174,872,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,143,496.66 : 318,977,948.40 = 126,719,325.93 : x
  2. Step 2: Convert to fraction form
    231,143,496.66/318,977,948.40 = 126,719,325.93/x
  3. Step 3: Cross multiply
    231,143,496.66x = 318,977,948.40 × 126,719,325.93
  4. Step 4: Simplify right side
    231,143,496.66x = 40,420,670,607,782,320
  5. Step 5: Solve for x
    x = 40,420,670,607,782,320/231,143,496.66
  6. Step 6: Final answer
    x = 174,872,627.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.