Home / 194,110,009.07-291,309,622.22-142,428,161.27

Finding the Fourth Proportional to 194,110,009.07, 291,309,622.22 and 142,428,161.27

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Solution

The fourth proportional to 194,110,009.07, 291,309,622.22 and 142,428,161.27 is: 213,748,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,110,009.07 : 291,309,622.22 = 142,428,161.27 : x
  2. Step 2: Convert to fraction form
    194,110,009.07/291,309,622.22 = 142,428,161.27/x
  3. Step 3: Cross multiply
    194,110,009.07x = 291,309,622.22 × 142,428,161.27
  4. Step 4: Simplify right side
    194,110,009.07x = 41,490,693,852,497,208
  5. Step 5: Solve for x
    x = 41,490,693,852,497,208/194,110,009.07
  6. Step 6: Final answer
    x = 213,748,348.43

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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.