Home / 159,444,879.93-220,033,937.03-86,106,021.93

Finding the Fourth Proportional to 159,444,879.93, 220,033,937.03 and 86,106,021.93

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Solution

The fourth proportional to 159,444,879.93, 220,033,937.03 and 86,106,021.93 is: 118,826,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,879.93 : 220,033,937.03 = 86,106,021.93 : x
  2. Step 2: Convert to fraction form
    159,444,879.93/220,033,937.03 = 86,106,021.93/x
  3. Step 3: Cross multiply
    159,444,879.93x = 220,033,937.03 × 86,106,021.93
  4. Step 4: Simplify right side
    159,444,879.93x = 18,946,247,006,818,892
  5. Step 5: Solve for x
    x = 18,946,247,006,818,892/159,444,879.93
  6. Step 6: Final answer
    x = 118,826,311.73

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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.