Home / 131,144,666.40-196,716,999.60-40,256,445.60

Finding the Fourth Proportional to 131,144,666.40, 196,716,999.60 and 40,256,445.60

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Solution

The fourth proportional to 131,144,666.40, 196,716,999.60 and 40,256,445.60 is: 60,384,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,144,666.40 : 196,716,999.60 = 40,256,445.60 : x
  2. Step 2: Convert to fraction form
    131,144,666.40/196,716,999.60 = 40,256,445.60/x
  3. Step 3: Cross multiply
    131,144,666.40x = 196,716,999.60 × 40,256,445.60
  4. Step 4: Simplify right side
    131,144,666.40x = 7,919,127,192,992,622
  5. Step 5: Solve for x
    x = 7,919,127,192,992,622/131,144,666.40
  6. Step 6: Final answer
    x = 60,384,668.40

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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.