Home / 115,321,219.98-159,143,179.80-65,096,012.70

Finding the Fourth Proportional to 115,321,219.98, 159,143,179.80 and 65,096,012.70

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Solution

The fourth proportional to 115,321,219.98, 159,143,179.80 and 65,096,012.70 is: 89,832,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321,219.98 : 159,143,179.80 = 65,096,012.70 : x
  2. Step 2: Convert to fraction form
    115,321,219.98/159,143,179.80 = 65,096,012.70/x
  3. Step 3: Cross multiply
    115,321,219.98x = 159,143,179.80 × 65,096,012.70
  4. Step 4: Simplify right side
    115,321,219.98x = 10,359,586,453,379,184
  5. Step 5: Solve for x
    x = 10,359,586,453,379,184/115,321,219.98
  6. Step 6: Final answer
    x = 89,832,438.95

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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.