Home / 154,159,787.04-231,366,895.92-77,504,601.12

Finding the Fourth Proportional to 154,159,787.04, 231,366,895.92 and 77,504,601.12

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Solution

The fourth proportional to 154,159,787.04, 231,366,895.92 and 77,504,601.12 is: 116,320,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,159,787.04 : 231,366,895.92 = 77,504,601.12 : x
  2. Step 2: Convert to fraction form
    154,159,787.04/231,366,895.92 = 77,504,601.12/x
  3. Step 3: Cross multiply
    154,159,787.04x = 231,366,895.92 × 77,504,601.12
  4. Step 4: Simplify right side
    154,159,787.04x = 17,931,998,980,652,156
  5. Step 5: Solve for x
    x = 17,931,998,980,652,156/154,159,787.04
  6. Step 6: Final answer
    x = 116,320,859.84

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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.