Home / 126,066,262.56-174,052,394.40-79,087,731.36

Finding the Fourth Proportional to 126,066,262.56, 174,052,394.40 and 79,087,731.36

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Solution

The fourth proportional to 126,066,262.56, 174,052,394.40 and 79,087,731.36 is: 109,191,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066,262.56 : 174,052,394.40 = 79,087,731.36 : x
  2. Step 2: Convert to fraction form
    126,066,262.56/174,052,394.40 = 79,087,731.36/x
  3. Step 3: Cross multiply
    126,066,262.56x = 174,052,394.40 × 79,087,731.36
  4. Step 4: Simplify right side
    126,066,262.56x = 13,765,409,010,871,968
  5. Step 5: Solve for x
    x = 13,765,409,010,871,968/126,066,262.56
  6. Step 6: Final answer
    x = 109,191,854.60

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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.