Home / 73,163,534.21-109,734,618.72-21,334,209.38

Finding the Fourth Proportional to 73,163,534.21, 109,734,618.72 and 21,334,209.38

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Solution

The fourth proportional to 73,163,534.21, 109,734,618.72 and 21,334,209.38 is: 31,998,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163,534.21 : 109,734,618.72 = 21,334,209.38 : x
  2. Step 2: Convert to fraction form
    73,163,534.21/109,734,618.72 = 21,334,209.38/x
  3. Step 3: Cross multiply
    73,163,534.21x = 109,734,618.72 × 21,334,209.38
  4. Step 4: Simplify right side
    73,163,534.21x = 2,341,101,332,006,947.50
  5. Step 5: Solve for x
    x = 2,341,101,332,006,947.50/73,163,534.21
  6. Step 6: Final answer
    x = 31,998,199.07

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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.