Home / 312,208,793.40-430,847,798.31-171,083,454.96

Finding the Fourth Proportional to 312,208,793.40, 430,847,798.31 and 171,083,454.96

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Solution

The fourth proportional to 312,208,793.40, 430,847,798.31 and 171,083,454.96 is: 236,094,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,793.40 : 430,847,798.31 = 171,083,454.96 : x
  2. Step 2: Convert to fraction form
    312,208,793.40/430,847,798.31 = 171,083,454.96/x
  3. Step 3: Cross multiply
    312,208,793.40x = 430,847,798.31 × 171,083,454.96
  4. Step 4: Simplify right side
    312,208,793.40x = 73,710,929,896,784,048
  5. Step 5: Solve for x
    x = 73,710,929,896,784,048/312,208,793.40
  6. Step 6: Final answer
    x = 236,094,983.41

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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.