Home / 131,435,437.20-196,775,242.20-127,656,301.20

Finding the Fourth Proportional to 131,435,437.20, 196,775,242.20 and 127,656,301.20

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Solution

The fourth proportional to 131,435,437.20, 196,775,242.20 and 127,656,301.20 is: 191,117,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435,437.20 : 196,775,242.20 = 127,656,301.20 : x
  2. Step 2: Convert to fraction form
    131,435,437.20/196,775,242.20 = 127,656,301.20/x
  3. Step 3: Cross multiply
    131,435,437.20x = 196,775,242.20 × 127,656,301.20
  4. Step 4: Simplify right side
    131,435,437.20x = 25,119,599,586,986,148
  5. Step 5: Solve for x
    x = 25,119,599,586,986,148/131,435,437.20
  6. Step 6: Final answer
    x = 191,117,404.27

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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.