Home / 372,114,322.56-558,222,549.12-126,404,991.36

Finding the Fourth Proportional to 372,114,322.56, 558,222,549.12 and 126,404,991.36

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Solution

The fourth proportional to 372,114,322.56, 558,222,549.12 and 126,404,991.36 is: 189,624,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,114,322.56 : 558,222,549.12 = 126,404,991.36 : x
  2. Step 2: Convert to fraction form
    372,114,322.56/558,222,549.12 = 126,404,991.36/x
  3. Step 3: Cross multiply
    372,114,322.56x = 558,222,549.12 × 126,404,991.36
  4. Step 4: Simplify right side
    372,114,322.56x = 70,562,116,498,470,776
  5. Step 5: Solve for x
    x = 70,562,116,498,470,776/372,114,322.56
  6. Step 6: Final answer
    x = 189,624,833.61

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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.