Home / 151,165,578.36-208,615,334.74-85,108,774.26

Finding the Fourth Proportional to 151,165,578.36, 208,615,334.74 and 85,108,774.26

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Solution

The fourth proportional to 151,165,578.36, 208,615,334.74 and 85,108,774.26 is: 117,453,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,165,578.36 : 208,615,334.74 = 85,108,774.26 : x
  2. Step 2: Convert to fraction form
    151,165,578.36/208,615,334.74 = 85,108,774.26/x
  3. Step 3: Cross multiply
    151,165,578.36x = 208,615,334.74 × 85,108,774.26
  4. Step 4: Simplify right side
    151,165,578.36x = 17,754,995,431,560,998
  5. Step 5: Solve for x
    x = 17,754,995,431,560,998/151,165,578.36
  6. Step 6: Final answer
    x = 117,453,957.60

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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.