Home / 280,096,632.36-420,165,127.26-107,573,446.08

Finding the Fourth Proportional to 280,096,632.36, 420,165,127.26 and 107,573,446.08

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Solution

The fourth proportional to 280,096,632.36, 420,165,127.26 and 107,573,446.08 is: 161,367,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,096,632.36 : 420,165,127.26 = 107,573,446.08 : x
  2. Step 2: Convert to fraction form
    280,096,632.36/420,165,127.26 = 107,573,446.08/x
  3. Step 3: Cross multiply
    280,096,632.36x = 420,165,127.26 × 107,573,446.08
  4. Step 4: Simplify right side
    280,096,632.36x = 45,198,610,661,999,944
  5. Step 5: Solve for x
    x = 45,198,610,661,999,944/280,096,632.36
  6. Step 6: Final answer
    x = 161,367,918.93

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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.