Home / 126,194,842.88-174,147,896.40-68,248,090.88

Finding the Fourth Proportional to 126,194,842.88, 174,147,896.40 and 68,248,090.88

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Solution

The fourth proportional to 126,194,842.88, 174,147,896.40 and 68,248,090.88 is: 94,181,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,194,842.88 : 174,147,896.40 = 68,248,090.88 : x
  2. Step 2: Convert to fraction form
    126,194,842.88/174,147,896.40 = 68,248,090.88/x
  3. Step 3: Cross multiply
    126,194,842.88x = 174,147,896.40 × 68,248,090.88
  4. Step 4: Simplify right side
    126,194,842.88x = 11,885,261,460,068,024
  5. Step 5: Solve for x
    x = 11,885,261,460,068,024/126,194,842.88
  6. Step 6: Final answer
    x = 94,181,831.75

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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.