Home / 139,994,719.50-193,163,871.48-80,444,509.22

Finding the Fourth Proportional to 139,994,719.50, 193,163,871.48 and 80,444,509.22

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Solution

The fourth proportional to 139,994,719.50, 193,163,871.48 and 80,444,509.22 is: 110,996,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,994,719.50 : 193,163,871.48 = 80,444,509.22 : x
  2. Step 2: Convert to fraction form
    139,994,719.50/193,163,871.48 = 80,444,509.22/x
  3. Step 3: Cross multiply
    139,994,719.50x = 193,163,871.48 × 80,444,509.22
  4. Step 4: Simplify right side
    139,994,719.50x = 15,538,972,840,651,046
  5. Step 5: Solve for x
    x = 15,538,972,840,651,046/139,994,719.50
  6. Step 6: Final answer
    x = 110,996,849.71

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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.