Home / 131,908,022.44-197,862,039.81-90,367,936.67

Finding the Fourth Proportional to 131,908,022.44, 197,862,039.81 and 90,367,936.67

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Solution

The fourth proportional to 131,908,022.44, 197,862,039.81 and 90,367,936.67 is: 135,551,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,908,022.44 : 197,862,039.81 = 90,367,936.67 : x
  2. Step 2: Convert to fraction form
    131,908,022.44/197,862,039.81 = 90,367,936.67/x
  3. Step 3: Cross multiply
    131,908,022.44x = 197,862,039.81 × 90,367,936.67
  4. Step 4: Simplify right side
    131,908,022.44x = 17,880,384,282,495,260
  5. Step 5: Solve for x
    x = 17,880,384,282,495,260/131,908,022.44
  6. Step 6: Final answer
    x = 135,551,909.22

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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.