Home / 159,763,953.80-239,645,930.70-131,042,520.20

Finding the Fourth Proportional to 159,763,953.80, 239,645,930.70 and 131,042,520.20

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Solution

The fourth proportional to 159,763,953.80, 239,645,930.70 and 131,042,520.20 is: 196,563,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,763,953.80 : 239,645,930.70 = 131,042,520.20 : x
  2. Step 2: Convert to fraction form
    159,763,953.80/239,645,930.70 = 131,042,520.20/x
  3. Step 3: Cross multiply
    159,763,953.80x = 239,645,930.70 × 131,042,520.20
  4. Step 4: Simplify right side
    159,763,953.80x = 31,403,806,714,602,548
  5. Step 5: Solve for x
    x = 31,403,806,714,602,548/159,763,953.80
  6. Step 6: Final answer
    x = 196,563,780.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.