Home / 115,026,887.88-172,541,857.20-38,349,940.68

Finding the Fourth Proportional to 115,026,887.88, 172,541,857.20 and 38,349,940.68

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Solution

The fourth proportional to 115,026,887.88, 172,541,857.20 and 38,349,940.68 is: 57,525,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,026,887.88 : 172,541,857.20 = 38,349,940.68 : x
  2. Step 2: Convert to fraction form
    115,026,887.88/172,541,857.20 = 38,349,940.68/x
  3. Step 3: Cross multiply
    115,026,887.88x = 172,541,857.20 × 38,349,940.68
  4. Step 4: Simplify right side
    115,026,887.88x = 6,616,969,988,437,030
  5. Step 5: Solve for x
    x = 6,616,969,988,437,030/115,026,887.88
  6. Step 6: Final answer
    x = 57,525,419.58

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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.