Home / 195,033,140.85-269,146,094.09-105,724,808.85

Finding the Fourth Proportional to 195,033,140.85, 269,146,094.09 and 105,724,808.85

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Solution

The fourth proportional to 195,033,140.85, 269,146,094.09 and 105,724,808.85 is: 145,900,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,033,140.85 : 269,146,094.09 = 105,724,808.85 : x
  2. Step 2: Convert to fraction form
    195,033,140.85/269,146,094.09 = 105,724,808.85/x
  3. Step 3: Cross multiply
    195,033,140.85x = 269,146,094.09 × 105,724,808.85
  4. Step 4: Simplify right side
    195,033,140.85x = 28,455,419,350,870,036
  5. Step 5: Solve for x
    x = 28,455,419,350,870,036/195,033,140.85
  6. Step 6: Final answer
    x = 145,900,431.21

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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.