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Finding the Fourth Proportional to 159,230,800, 219,714,803.94 and 89,612,029

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Solution

The fourth proportional to 159,230,800, 219,714,803.94 and 89,612,029 is: 123,651,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,230,800 : 219,714,803.94 = 89,612,029 : x
  2. Step 2: Convert to fraction form
    159,230,800/219,714,803.94 = 89,612,029/x
  3. Step 3: Cross multiply
    159,230,800x = 219,714,803.94 × 89,612,029
  4. Step 4: Simplify right side
    159,230,800x = 19,689,089,382,400,596
  5. Step 5: Solve for x
    x = 19,689,089,382,400,596/159,230,800
  6. Step 6: Final answer
    x = 123,651,262.08

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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.