Home / 289,931,232.11-400,105,165.56-159,551,040.11

Finding the Fourth Proportional to 289,931,232.11, 400,105,165.56 and 159,551,040.11

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Solution

The fourth proportional to 289,931,232.11, 400,105,165.56 and 159,551,040.11 is: 220,180,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,931,232.11 : 400,105,165.56 = 159,551,040.11 : x
  2. Step 2: Convert to fraction form
    289,931,232.11/400,105,165.56 = 159,551,040.11/x
  3. Step 3: Cross multiply
    289,931,232.11x = 400,105,165.56 × 159,551,040.11
  4. Step 4: Simplify right side
    289,931,232.11x = 63,837,195,318,481,760
  5. Step 5: Solve for x
    x = 63,837,195,318,481,760/289,931,232.11
  6. Step 6: Final answer
    x = 220,180,471.26

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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.