Home / 66,393,246.30-99,589,869.45-55,055,838.30

Finding the Fourth Proportional to 66,393,246.30, 99,589,869.45 and 55,055,838.30

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Solution

The fourth proportional to 66,393,246.30, 99,589,869.45 and 55,055,838.30 is: 82,583,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393,246.30 : 99,589,869.45 = 55,055,838.30 : x
  2. Step 2: Convert to fraction form
    66,393,246.30/99,589,869.45 = 55,055,838.30/x
  3. Step 3: Cross multiply
    66,393,246.30x = 99,589,869.45 × 55,055,838.30
  4. Step 4: Simplify right side
    66,393,246.30x = 5,483,003,748,757,310
  5. Step 5: Solve for x
    x = 5,483,003,748,757,310/66,393,246.30
  6. Step 6: Final answer
    x = 82,583,757.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.