Home / 461,375,132.71-692,064,494.55-111,620,639.44

Finding the Fourth Proportional to 461,375,132.71, 692,064,494.55 and 111,620,639.44

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Solution

The fourth proportional to 461,375,132.71, 692,064,494.55 and 111,620,639.44 is: 167,431,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,375,132.71 : 692,064,494.55 = 111,620,639.44 : x
  2. Step 2: Convert to fraction form
    461,375,132.71/692,064,494.55 = 111,620,639.44/x
  3. Step 3: Cross multiply
    461,375,132.71x = 692,064,494.55 × 111,620,639.44
  4. Step 4: Simplify right side
    461,375,132.71x = 77,248,681,415,391,392
  5. Step 5: Solve for x
    x = 77,248,681,415,391,392/461,375,132.71
  6. Step 6: Final answer
    x = 167,431,393.54

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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.