Home / 126,189,203.10-189,283,804.65-45,381,011.10

Finding the Fourth Proportional to 126,189,203.10, 189,283,804.65 and 45,381,011.10

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Solution

The fourth proportional to 126,189,203.10, 189,283,804.65 and 45,381,011.10 is: 68,071,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189,203.10 : 189,283,804.65 = 45,381,011.10 : x
  2. Step 2: Convert to fraction form
    126,189,203.10/189,283,804.65 = 45,381,011.10/x
  3. Step 3: Cross multiply
    126,189,203.10x = 189,283,804.65 × 45,381,011.10
  4. Step 4: Simplify right side
    126,189,203.10x = 8,589,890,439,871,882
  5. Step 5: Solve for x
    x = 8,589,890,439,871,882/126,189,203.10
  6. Step 6: Final answer
    x = 68,071,516.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.