Home / 139,524,792.43-192,562,548.21-80,009,379.14

Finding the Fourth Proportional to 139,524,792.43, 192,562,548.21 and 80,009,379.14

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Solution

The fourth proportional to 139,524,792.43, 192,562,548.21 and 80,009,379.14 is: 110,423,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524,792.43 : 192,562,548.21 = 80,009,379.14 : x
  2. Step 2: Convert to fraction form
    139,524,792.43/192,562,548.21 = 80,009,379.14/x
  3. Step 3: Cross multiply
    139,524,792.43x = 192,562,548.21 × 80,009,379.14
  4. Step 4: Simplify right side
    139,524,792.43x = 15,406,809,927,898,420
  5. Step 5: Solve for x
    x = 15,406,809,927,898,420/139,524,792.43
  6. Step 6: Final answer
    x = 110,423,457.08

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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.