Home / 109,137,816.94-163,708,496.88-31,415,751.67

Finding the Fourth Proportional to 109,137,816.94, 163,708,496.88 and 31,415,751.67

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Solution

The fourth proportional to 109,137,816.94, 163,708,496.88 and 31,415,751.67 is: 47,124,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,816.94 : 163,708,496.88 = 31,415,751.67 : x
  2. Step 2: Convert to fraction form
    109,137,816.94/163,708,496.88 = 31,415,751.67/x
  3. Step 3: Cross multiply
    109,137,816.94x = 163,708,496.88 × 31,415,751.67
  4. Step 4: Simplify right side
    109,137,816.94x = 5,143,025,484,251,050
  5. Step 5: Solve for x
    x = 5,143,025,484,251,050/109,137,816.94
  6. Step 6: Final answer
    x = 47,124,137.43

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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.