Home / 139,600,159.83-192,642,006.31-80,018,741.91

Finding the Fourth Proportional to 139,600,159.83, 192,642,006.31 and 80,018,741.91

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Solution

The fourth proportional to 139,600,159.83, 192,642,006.31 and 80,018,741.91 is: 110,422,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,600,159.83 : 192,642,006.31 = 80,018,741.91 : x
  2. Step 2: Convert to fraction form
    139,600,159.83/192,642,006.31 = 80,018,741.91/x
  3. Step 3: Cross multiply
    139,600,159.83x = 192,642,006.31 × 80,018,741.91
  4. Step 4: Simplify right side
    139,600,159.83x = 15,414,970,983,944,480
  5. Step 5: Solve for x
    x = 15,414,970,983,944,480/139,600,159.83
  6. Step 6: Final answer
    x = 110,422,301.83

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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.