Home / 142,965,516.81-214,412,845.82-40,730,440.17

Finding the Fourth Proportional to 142,965,516.81, 214,412,845.82 and 40,730,440.17

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Solution

The fourth proportional to 142,965,516.81, 214,412,845.82 and 40,730,440.17 is: 61,085,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965,516.81 : 214,412,845.82 = 40,730,440.17 : x
  2. Step 2: Convert to fraction form
    142,965,516.81/214,412,845.82 = 40,730,440.17/x
  3. Step 3: Cross multiply
    142,965,516.81x = 214,412,845.82 × 40,730,440.17
  4. Step 4: Simplify right side
    142,965,516.81x = 8,733,129,588,147,293
  5. Step 5: Solve for x
    x = 8,733,129,588,147,293/142,965,516.81
  6. Step 6: Final answer
    x = 61,085,566.53

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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.