Home / 73,163,534.71-109,734,619.47-21,334,209.88

Finding the Fourth Proportional to 73,163,534.71, 109,734,619.47 and 21,334,209.88

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Solution

The fourth proportional to 73,163,534.71, 109,734,619.47 and 21,334,209.88 is: 31,998,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163,534.71 : 109,734,619.47 = 21,334,209.88 : x
  2. Step 2: Convert to fraction form
    73,163,534.71/109,734,619.47 = 21,334,209.88/x
  3. Step 3: Cross multiply
    73,163,534.71x = 109,734,619.47 × 21,334,209.88
  4. Step 4: Simplify right side
    73,163,534.71x = 2,341,101,402,874,914
  5. Step 5: Solve for x
    x = 2,341,101,402,874,914/73,163,534.71
  6. Step 6: Final answer
    x = 31,998,199.82

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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.