Home / 73,291,778.69-109,937,574.87-18,704,365.19

Finding the Fourth Proportional to 73,291,778.69, 109,937,574.87 and 18,704,365.19

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Solution

The fourth proportional to 73,291,778.69, 109,937,574.87 and 18,704,365.19 is: 28,056,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,291,778.69 : 109,937,574.87 = 18,704,365.19 : x
  2. Step 2: Convert to fraction form
    73,291,778.69/109,937,574.87 = 18,704,365.19/x
  3. Step 3: Cross multiply
    73,291,778.69x = 109,937,574.87 × 18,704,365.19
  4. Step 4: Simplify right side
    73,291,778.69x = 2,056,312,548,471,447
  5. Step 5: Solve for x
    x = 2,056,312,548,471,447/73,291,778.69
  6. Step 6: Final answer
    x = 28,056,524.01

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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.