Home / 461,375,138.59-692,064,503.37-111,620,645.32

Finding the Fourth Proportional to 461,375,138.59, 692,064,503.37 and 111,620,645.32

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Solution

The fourth proportional to 461,375,138.59, 692,064,503.37 and 111,620,645.32 is: 167,431,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,375,138.59 : 692,064,503.37 = 111,620,645.32 : x
  2. Step 2: Convert to fraction form
    461,375,138.59/692,064,503.37 = 111,620,645.32/x
  3. Step 3: Cross multiply
    461,375,138.59x = 692,064,503.37 × 111,620,645.32
  4. Step 4: Simplify right side
    461,375,138.59x = 77,248,686,469,224,704
  5. Step 5: Solve for x
    x = 77,248,686,469,224,704/461,375,138.59
  6. Step 6: Final answer
    x = 167,431,402.36

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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.