Home / 187,015,946.40-258,082,356.15-104,509,731.15

Finding the Fourth Proportional to 187,015,946.40, 258,082,356.15 and 104,509,731.15

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Solution

The fourth proportional to 187,015,946.40, 258,082,356.15 and 104,509,731.15 is: 144,223,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,015,946.40 : 258,082,356.15 = 104,509,731.15 : x
  2. Step 2: Convert to fraction form
    187,015,946.40/258,082,356.15 = 104,509,731.15/x
  3. Step 3: Cross multiply
    187,015,946.40x = 258,082,356.15 × 104,509,731.15
  4. Step 4: Simplify right side
    187,015,946.40x = 26,972,117,655,795,052
  5. Step 5: Solve for x
    x = 26,972,117,655,795,052/187,015,946.40
  6. Step 6: Final answer
    x = 144,223,624.64

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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.