Home / 142,020,309.80-213,037,463.10-73,995,861.80

Finding the Fourth Proportional to 142,020,309.80, 213,037,463.10 and 73,995,861.80

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Solution

The fourth proportional to 142,020,309.80, 213,037,463.10 and 73,995,861.80 is: 110,997,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,020,309.80 : 213,037,463.10 = 73,995,861.80 : x
  2. Step 2: Convert to fraction form
    142,020,309.80/213,037,463.10 = 73,995,861.80/x
  3. Step 3: Cross multiply
    142,020,309.80x = 213,037,463.10 × 73,995,861.80
  4. Step 4: Simplify right side
    142,020,309.80x = 15,763,890,677,770,198
  5. Step 5: Solve for x
    x = 15,763,890,677,770,198/142,020,309.80
  6. Step 6: Final answer
    x = 110,997,439.03

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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.