Home / 187,015,966.97-258,082,384.68-104,509,751.72

Finding the Fourth Proportional to 187,015,966.97, 258,082,384.68 and 104,509,751.72

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Solution

The fourth proportional to 187,015,966.97, 258,082,384.68 and 104,509,751.72 is: 144,223,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,015,966.97 : 258,082,384.68 = 104,509,751.72 : x
  2. Step 2: Convert to fraction form
    187,015,966.97/258,082,384.68 = 104,509,751.72/x
  3. Step 3: Cross multiply
    187,015,966.97x = 258,082,384.68 × 104,509,751.72
  4. Step 4: Simplify right side
    187,015,966.97x = 26,972,125,944,921,920
  5. Step 5: Solve for x
    x = 26,972,125,944,921,920/187,015,966.97
  6. Step 6: Final answer
    x = 144,223,653.11

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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.