Home / 217,760,040-300,507,960.96-118,640,508.48

Finding the Fourth Proportional to 217,760,040, 300,507,960.96 and 118,640,508.48

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Solution

The fourth proportional to 217,760,040, 300,507,960.96 and 118,640,508.48 is: 163,723,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,760,040 : 300,507,960.96 = 118,640,508.48 : x
  2. Step 2: Convert to fraction form
    217,760,040/300,507,960.96 = 118,640,508.48/x
  3. Step 3: Cross multiply
    217,760,040x = 300,507,960.96 × 118,640,508.48
  4. Step 4: Simplify right side
    217,760,040x = 35,652,417,290,582,388
  5. Step 5: Solve for x
    x = 35,652,417,290,582,388/217,760,040
  6. Step 6: Final answer
    x = 163,723,414.50

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1.5x scale

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.