Home / 73,291,768.54-109,937,559.84-18,704,355.29

Finding the Fourth Proportional to 73,291,768.54, 109,937,559.84 and 18,704,355.29

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Solution

The fourth proportional to 73,291,768.54, 109,937,559.84 and 18,704,355.29 is: 28,056,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291,768.54 : 109,937,559.84 = 18,704,355.29 : x
  2. Step 2: Convert to fraction form
    73,291,768.54/109,937,559.84 = 18,704,355.29/x
  3. Step 3: Cross multiply
    73,291,768.54x = 109,937,559.84 × 18,704,355.29
  4. Step 4: Simplify right side
    73,291,768.54x = 2,056,311,178,962,995.50
  5. Step 5: Solve for x
    x = 2,056,311,178,962,995.50/73,291,768.54
  6. Step 6: Final answer
    x = 28,056,509.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.