Home / 148,685,471.71-205,173,922.23-85,965,593.58

Finding the Fourth Proportional to 148,685,471.71, 205,173,922.23 and 85,965,593.58

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Solution

The fourth proportional to 148,685,471.71, 205,173,922.23 and 85,965,593.58 is: 118,625,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685,471.71 : 205,173,922.23 = 85,965,593.58 : x
  2. Step 2: Convert to fraction form
    148,685,471.71/205,173,922.23 = 85,965,593.58/x
  3. Step 3: Cross multiply
    148,685,471.71x = 205,173,922.23 × 85,965,593.58
  4. Step 4: Simplify right side
    148,685,471.71x = 17,637,898,011,638,706
  5. Step 5: Solve for x
    x = 17,637,898,011,638,706/148,685,471.71
  6. Step 6: Final answer
    x = 118,625,564.48

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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.