Home / 114,903,670.20-172,514,937.60-71,856,949.20

Finding the Fourth Proportional to 114,903,670.20, 172,514,937.60 and 71,856,949.20

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Solution

The fourth proportional to 114,903,670.20, 172,514,937.60 and 71,856,949.20 is: 107,885,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,903,670.20 : 172,514,937.60 = 71,856,949.20 : x
  2. Step 2: Convert to fraction form
    114,903,670.20/172,514,937.60 = 71,856,949.20/x
  3. Step 3: Cross multiply
    114,903,670.20x = 172,514,937.60 × 71,856,949.20
  4. Step 4: Simplify right side
    114,903,670.20x = 12,396,397,107,364,370
  5. Step 5: Solve for x
    x = 12,396,397,107,364,370/114,903,670.20
  6. Step 6: Final answer
    x = 107,885,127.48

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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.