Home / 225,254,481.12-310,851,186.48-122,238,033.12

Finding the Fourth Proportional to 225,254,481.12, 310,851,186.48 and 122,238,033.12

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Solution

The fourth proportional to 225,254,481.12, 310,851,186.48 and 122,238,033.12 is: 168,688,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,254,481.12 : 310,851,186.48 = 122,238,033.12 : x
  2. Step 2: Convert to fraction form
    225,254,481.12/310,851,186.48 = 122,238,033.12/x
  3. Step 3: Cross multiply
    225,254,481.12x = 310,851,186.48 × 122,238,033.12
  4. Step 4: Simplify right side
    225,254,481.12x = 37,997,837,628,333,544
  5. Step 5: Solve for x
    x = 37,997,837,628,333,544/225,254,481.12
  6. Step 6: Final answer
    x = 168,688,487.08

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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.