Home / 120,790,957.24-166,685,579.40-68,573,139.22

Finding the Fourth Proportional to 120,790,957.24, 166,685,579.40 and 68,573,139.22

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Solution

The fourth proportional to 120,790,957.24, 166,685,579.40 and 68,573,139.22 is: 94,627,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790,957.24 : 166,685,579.40 = 68,573,139.22 : x
  2. Step 2: Convert to fraction form
    120,790,957.24/166,685,579.40 = 68,573,139.22/x
  3. Step 3: Cross multiply
    120,790,957.24x = 166,685,579.40 × 68,573,139.22
  4. Step 4: Simplify right side
    120,790,957.24x = 11,430,153,442,162,564
  5. Step 5: Solve for x
    x = 11,430,153,442,162,564/120,790,957.24
  6. Step 6: Final answer
    x = 94,627,559.08

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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.