Home / 70,815,155.63-106,217,857.80-43,525,660.28

Finding the Fourth Proportional to 70,815,155.63, 106,217,857.80 and 43,525,660.28

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Solution

The fourth proportional to 70,815,155.63, 106,217,857.80 and 43,525,660.28 is: 65,285,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815,155.63 : 106,217,857.80 = 43,525,660.28 : x
  2. Step 2: Convert to fraction form
    70,815,155.63/106,217,857.80 = 43,525,660.28/x
  3. Step 3: Cross multiply
    70,815,155.63x = 106,217,857.80 × 43,525,660.28
  4. Step 4: Simplify right side
    70,815,155.63x = 4,623,202,393,741,059
  5. Step 5: Solve for x
    x = 4,623,202,393,741,059/70,815,155.63
  6. Step 6: Final answer
    x = 65,285,493.66

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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.