Home / 168,190,032.60-252,285,048.90-127,375,363.80

Finding the Fourth Proportional to 168,190,032.60, 252,285,048.90 and 127,375,363.80

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Solution

The fourth proportional to 168,190,032.60, 252,285,048.90 and 127,375,363.80 is: 191,063,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,190,032.60 : 252,285,048.90 = 127,375,363.80 : x
  2. Step 2: Convert to fraction form
    168,190,032.60/252,285,048.90 = 127,375,363.80/x
  3. Step 3: Cross multiply
    168,190,032.60x = 252,285,048.90 × 127,375,363.80
  4. Step 4: Simplify right side
    168,190,032.60x = 32,134,899,884,938,288
  5. Step 5: Solve for x
    x = 32,134,899,884,938,288/168,190,032.60
  6. Step 6: Final answer
    x = 191,063,045.70

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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.