Home / 43,468,671.40-65,203,007.10-20,793,855.40

Finding the Fourth Proportional to 43,468,671.40, 65,203,007.10 and 20,793,855.40

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Solution

The fourth proportional to 43,468,671.40, 65,203,007.10 and 20,793,855.40 is: 31,190,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,671.40 : 65,203,007.10 = 20,793,855.40 : x
  2. Step 2: Convert to fraction form
    43,468,671.40/65,203,007.10 = 20,793,855.40/x
  3. Step 3: Cross multiply
    43,468,671.40x = 65,203,007.10 × 20,793,855.40
  4. Step 4: Simplify right side
    43,468,671.40x = 1,355,821,901,282,573.25
  5. Step 5: Solve for x
    x = 1,355,821,901,282,573.25/43,468,671.40
  6. Step 6: Final answer
    x = 31,190,783.10

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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.