Home / 268,008,972.75-369,863,501.67-148,931,120.30

Finding the Fourth Proportional to 268,008,972.75, 369,863,501.67 and 148,931,120.30

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Solution

The fourth proportional to 268,008,972.75, 369,863,501.67 and 148,931,120.30 is: 205,531,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,008,972.75 : 369,863,501.67 = 148,931,120.30 : x
  2. Step 2: Convert to fraction form
    268,008,972.75/369,863,501.67 = 148,931,120.30/x
  3. Step 3: Cross multiply
    268,008,972.75x = 369,863,501.67 × 148,931,120.30
  4. Step 4: Simplify right side
    268,008,972.75x = 55,084,185,659,944,704
  5. Step 5: Solve for x
    x = 55,084,185,659,944,704/268,008,972.75
  6. Step 6: Final answer
    x = 205,531,124.93

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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.