Home / 47,269,205.08-65,285,311.36-31,772,385.52

Finding the Fourth Proportional to 47,269,205.08, 65,285,311.36 and 31,772,385.52

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Solution

The fourth proportional to 47,269,205.08, 65,285,311.36 and 31,772,385.52 is: 43,882,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269,205.08 : 65,285,311.36 = 31,772,385.52 : x
  2. Step 2: Convert to fraction form
    47,269,205.08/65,285,311.36 = 31,772,385.52/x
  3. Step 3: Cross multiply
    47,269,205.08x = 65,285,311.36 × 31,772,385.52
  4. Step 4: Simplify right side
    47,269,205.08x = 2,074,270,081,323,155.50
  5. Step 5: Solve for x
    x = 2,074,270,081,323,155.50/47,269,205.08
  6. Step 6: Final answer
    x = 43,882,059.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.