Home / 45,821,516.46-68,686,874.62-21,516,935.76

Finding the Fourth Proportional to 45,821,516.46, 68,686,874.62 and 21,516,935.76

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Solution

The fourth proportional to 45,821,516.46, 68,686,874.62 and 21,516,935.76 is: 32,254,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821,516.46 : 68,686,874.62 = 21,516,935.76 : x
  2. Step 2: Convert to fraction form
    45,821,516.46/68,686,874.62 = 21,516,935.76/x
  3. Step 3: Cross multiply
    45,821,516.46x = 68,686,874.62 × 21,516,935.76
  4. Step 4: Simplify right side
    45,821,516.46x = 1,477,931,068,753,714.75
  5. Step 5: Solve for x
    x = 1,477,931,068,753,714.75/45,821,516.46
  6. Step 6: Final answer
    x = 32,254,084.61

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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.