Home / 66,708,754.38-99,932,812.29-45,955,530.54

Finding the Fourth Proportional to 66,708,754.38, 99,932,812.29 and 45,955,530.54

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Solution

The fourth proportional to 66,708,754.38, 99,932,812.29 and 45,955,530.54 is: 68,843,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708,754.38 : 99,932,812.29 = 45,955,530.54 : x
  2. Step 2: Convert to fraction form
    66,708,754.38/99,932,812.29 = 45,955,530.54/x
  3. Step 3: Cross multiply
    66,708,754.38x = 99,932,812.29 × 45,955,530.54
  4. Step 4: Simplify right side
    66,708,754.38x = 4,592,465,407,141,183
  5. Step 5: Solve for x
    x = 4,592,465,407,141,183/66,708,754.38
  6. Step 6: Final answer
    x = 68,843,519.11

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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.