Home / 142,965,529.56-214,412,864.94-40,730,452.92

Finding the Fourth Proportional to 142,965,529.56, 214,412,864.94 and 40,730,452.92

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Solution

The fourth proportional to 142,965,529.56, 214,412,864.94 and 40,730,452.92 is: 61,085,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965,529.56 : 214,412,864.94 = 40,730,452.92 : x
  2. Step 2: Convert to fraction form
    142,965,529.56/214,412,864.94 = 40,730,452.92/x
  3. Step 3: Cross multiply
    142,965,529.56x = 214,412,864.94 × 40,730,452.92
  4. Step 4: Simplify right side
    142,965,529.56x = 8,733,133,100,880,989
  5. Step 5: Solve for x
    x = 8,733,133,100,880,989/142,965,529.56
  6. Step 6: Final answer
    x = 61,085,585.65

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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.