Home / 139,344,612.52-192,296,259.68-76,624,755.32

Finding the Fourth Proportional to 139,344,612.52, 192,296,259.68 and 76,624,755.32

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Solution

The fourth proportional to 139,344,612.52, 192,296,259.68 and 76,624,755.32 is: 105,742,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,344,612.52 : 192,296,259.68 = 76,624,755.32 : x
  2. Step 2: Convert to fraction form
    139,344,612.52/192,296,259.68 = 76,624,755.32/x
  3. Step 3: Cross multiply
    139,344,612.52x = 192,296,259.68 × 76,624,755.32
  4. Step 4: Simplify right side
    139,344,612.52x = 14,734,653,847,086,950
  5. Step 5: Solve for x
    x = 14,734,653,847,086,950/139,344,612.52
  6. Step 6: Final answer
    x = 105,742,544.19

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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.