Home / 132,707,728.12-183,215,223.22-117,982,722.80

Finding the Fourth Proportional to 132,707,728.12, 183,215,223.22 and 117,982,722.80

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Solution

The fourth proportional to 132,707,728.12, 183,215,223.22 and 117,982,722.80 is: 162,885,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,707,728.12 : 183,215,223.22 = 117,982,722.80 : x
  2. Step 2: Convert to fraction form
    132,707,728.12/183,215,223.22 = 117,982,722.80/x
  3. Step 3: Cross multiply
    132,707,728.12x = 183,215,223.22 × 117,982,722.80
  4. Step 4: Simplify right side
    132,707,728.12x = 21,616,230,893,905,384
  5. Step 5: Solve for x
    x = 21,616,230,893,905,384/132,707,728.12
  6. Step 6: Final answer
    x = 162,885,999.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.