Home / 312,208,790.90-430,847,794.86-171,083,452.46

Finding the Fourth Proportional to 312,208,790.90, 430,847,794.86 and 171,083,452.46

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Solution

The fourth proportional to 312,208,790.90, 430,847,794.86 and 171,083,452.46 is: 236,094,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,790.90 : 430,847,794.86 = 171,083,452.46 : x
  2. Step 2: Convert to fraction form
    312,208,790.90/430,847,794.86 = 171,083,452.46/x
  3. Step 3: Cross multiply
    312,208,790.90x = 430,847,794.86 × 171,083,452.46
  4. Step 4: Simplify right side
    312,208,790.90x = 73,710,928,229,426,656
  5. Step 5: Solve for x
    x = 73,710,928,229,426,656/312,208,790.90
  6. Step 6: Final answer
    x = 236,094,979.96

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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.