Home / 220,499,919.24-330,799,707.72-72,947,133.03

Finding the Fourth Proportional to 220,499,919.24, 330,799,707.72 and 72,947,133.03

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Solution

The fourth proportional to 220,499,919.24, 330,799,707.72 and 72,947,133.03 is: 109,437,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,499,919.24 : 330,799,707.72 = 72,947,133.03 : x
  2. Step 2: Convert to fraction form
    220,499,919.24/330,799,707.72 = 72,947,133.03/x
  3. Step 3: Cross multiply
    220,499,919.24x = 330,799,707.72 × 72,947,133.03
  4. Step 4: Simplify right side
    220,499,919.24x = 24,130,890,285,335,960
  5. Step 5: Solve for x
    x = 24,130,890,285,335,960/220,499,919.24
  6. Step 6: Final answer
    x = 109,437,184.23

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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.