Home / 138,008,096,710.40-207,012,145,065.60-132,590,327,340.80

Finding the Fourth Proportional to 138,008,096,710.40, 207,012,145,065.60 and 132,590,327,340.80

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Solution

The fourth proportional to 138,008,096,710.40, 207,012,145,065.60 and 132,590,327,340.80 is: 198,885,491,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,008,096,710.40 : 207,012,145,065.60 = 132,590,327,340.80 : x
  2. Step 2: Convert to fraction form
    138,008,096,710.40/207,012,145,065.60 = 132,590,327,340.80/x
  3. Step 3: Cross multiply
    138,008,096,710.40x = 207,012,145,065.60 × 132,590,327,340.80
  4. Step 4: Simplify right side
    138,008,096,710.40x = 27,447,808,077,769,081,880,576
  5. Step 5: Solve for x
    x = 27,447,808,077,769,081,880,576/138,008,096,710.40
  6. Step 6: Final answer
    x = 198,885,491,011.20

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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.