Home / 186,606,647.72-279,908,974.86-48,432,153.92

Finding the Fourth Proportional to 186,606,647.72, 279,908,974.86 and 48,432,153.92

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Solution

The fourth proportional to 186,606,647.72, 279,908,974.86 and 48,432,153.92 is: 72,647,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,606,647.72 : 279,908,974.86 = 48,432,153.92 : x
  2. Step 2: Convert to fraction form
    186,606,647.72/279,908,974.86 = 48,432,153.92/x
  3. Step 3: Cross multiply
    186,606,647.72x = 279,908,974.86 × 48,432,153.92
  4. Step 4: Simplify right side
    186,606,647.72x = 13,556,594,554,008,932
  5. Step 5: Solve for x
    x = 13,556,594,554,008,932/186,606,647.72
  6. Step 6: Final answer
    x = 72,647,972.19

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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.