Home / 130,927,399.71-196,168,851.59-79,002,892.23

Finding the Fourth Proportional to 130,927,399.71, 196,168,851.59 and 79,002,892.23

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Solution

The fourth proportional to 130,927,399.71, 196,168,851.59 and 79,002,892.23 is: 118,370,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927,399.71 : 196,168,851.59 = 79,002,892.23 : x
  2. Step 2: Convert to fraction form
    130,927,399.71/196,168,851.59 = 79,002,892.23/x
  3. Step 3: Cross multiply
    130,927,399.71x = 196,168,851.59 × 79,002,892.23
  4. Step 4: Simplify right side
    130,927,399.71x = 15,497,906,640,652,622
  5. Step 5: Solve for x
    x = 15,497,906,640,652,622/130,927,399.71
  6. Step 6: Final answer
    x = 118,370,231.71

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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.