Home / 108,049,806.36-161,983,883.43-87,528,638.61

Finding the Fourth Proportional to 108,049,806.36, 161,983,883.43 and 87,528,638.61

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Solution

The fourth proportional to 108,049,806.36, 161,983,883.43 and 87,528,638.61 is: 131,219,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,049,806.36 : 161,983,883.43 = 87,528,638.61 : x
  2. Step 2: Convert to fraction form
    108,049,806.36/161,983,883.43 = 87,528,638.61/x
  3. Step 3: Cross multiply
    108,049,806.36x = 161,983,883.43 × 87,528,638.61
  4. Step 4: Simplify right side
    108,049,806.36x = 14,178,228,793,388,838
  5. Step 5: Solve for x
    x = 14,178,228,793,388,838/108,049,806.36
  6. Step 6: Final answer
    x = 131,219,381.79

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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.