Home / 159,444,881.43-220,033,939.10-86,106,023.43

Finding the Fourth Proportional to 159,444,881.43, 220,033,939.10 and 86,106,023.43

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Solution

The fourth proportional to 159,444,881.43, 220,033,939.10 and 86,106,023.43 is: 118,826,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,881.43 : 220,033,939.10 = 86,106,023.43 : x
  2. Step 2: Convert to fraction form
    159,444,881.43/220,033,939.10 = 86,106,023.43/x
  3. Step 3: Cross multiply
    159,444,881.43x = 220,033,939.10 × 86,106,023.43
  4. Step 4: Simplify right side
    159,444,881.43x = 18,946,247,515,109,264
  5. Step 5: Solve for x
    x = 18,946,247,515,109,264/159,444,881.43
  6. Step 6: Final answer
    x = 118,826,313.80

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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.