Home / 115,003,205.48-172,404,031.26-43,250,009.96

Finding the Fourth Proportional to 115,003,205.48, 172,404,031.26 and 43,250,009.96

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Solution

The fourth proportional to 115,003,205.48, 172,404,031.26 and 43,250,009.96 is: 64,837,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,003,205.48 : 172,404,031.26 = 43,250,009.96 : x
  2. Step 2: Convert to fraction form
    115,003,205.48/172,404,031.26 = 43,250,009.96/x
  3. Step 3: Cross multiply
    115,003,205.48x = 172,404,031.26 × 43,250,009.96
  4. Step 4: Simplify right side
    115,003,205.48x = 7,456,476,069,139,151
  5. Step 5: Solve for x
    x = 7,456,476,069,139,151/115,003,205.48
  6. Step 6: Final answer
    x = 64,837,115.09

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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.