Home / 74,026,514.36-102,159,782.26-40,986,764.20

Finding the Fourth Proportional to 74,026,514.36, 102,159,782.26 and 40,986,764.20

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Solution

The fourth proportional to 74,026,514.36, 102,159,782.26 and 40,986,764.20 is: 56,563,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,026,514.36 : 102,159,782.26 = 40,986,764.20 : x
  2. Step 2: Convert to fraction form
    74,026,514.36/102,159,782.26 = 40,986,764.20/x
  3. Step 3: Cross multiply
    74,026,514.36x = 102,159,782.26 × 40,986,764.20
  4. Step 4: Simplify right side
    74,026,514.36x = 4,187,198,906,213,963.50
  5. Step 5: Solve for x
    x = 4,187,198,906,213,963.50/74,026,514.36
  6. Step 6: Final answer
    x = 56,563,502.18

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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.