Home / 149,019,964.80-223,529,947.20-39,861,983.40

Finding the Fourth Proportional to 149,019,964.80, 223,529,947.20 and 39,861,983.40

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Solution

The fourth proportional to 149,019,964.80, 223,529,947.20 and 39,861,983.40 is: 59,792,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,019,964.80 : 223,529,947.20 = 39,861,983.40 : x
  2. Step 2: Convert to fraction form
    149,019,964.80/223,529,947.20 = 39,861,983.40/x
  3. Step 3: Cross multiply
    149,019,964.80x = 223,529,947.20 × 39,861,983.40
  4. Step 4: Simplify right side
    149,019,964.80x = 8,910,347,044,689,276
  5. Step 5: Solve for x
    x = 8,910,347,044,689,276/149,019,964.80
  6. Step 6: Final answer
    x = 59,792,975.10

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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.