Home / 86,954,061.18-119,994,990.12-47,795,000.79

Finding the Fourth Proportional to 86,954,061.18, 119,994,990.12 and 47,795,000.79

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Solution

The fourth proportional to 86,954,061.18, 119,994,990.12 and 47,795,000.79 is: 65,956,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,954,061.18 : 119,994,990.12 = 47,795,000.79 : x
  2. Step 2: Convert to fraction form
    86,954,061.18/119,994,990.12 = 47,795,000.79/x
  3. Step 3: Cross multiply
    86,954,061.18x = 119,994,990.12 × 47,795,000.79
  4. Step 4: Simplify right side
    86,954,061.18x = 5,735,160,647,581,442
  5. Step 5: Solve for x
    x = 5,735,160,647,581,442/86,954,061.18
  6. Step 6: Final answer
    x = 65,956,213.77

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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.