Home / 151,670,256-209,310,338.16-85,606,837.44

Finding the Fourth Proportional to 151,670,256, 209,310,338.16 and 85,606,837.44

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Solution

The fourth proportional to 151,670,256, 209,310,338.16 and 85,606,837.44 is: 118,140,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,670,256 : 209,310,338.16 = 85,606,837.44 : x
  2. Step 2: Convert to fraction form
    151,670,256/209,310,338.16 = 85,606,837.44/x
  3. Step 3: Cross multiply
    151,670,256x = 209,310,338.16 × 85,606,837.44
  4. Step 4: Simplify right side
    151,670,256x = 17,918,396,093,374,548
  5. Step 5: Solve for x
    x = 17,918,396,093,374,548/151,670,256
  6. Step 6: Final answer
    x = 118,140,475.04

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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.