Home / 120,856,937.80-181,285,406.70-104,417,696.20

Finding the Fourth Proportional to 120,856,937.80, 181,285,406.70 and 104,417,696.20

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Solution

The fourth proportional to 120,856,937.80, 181,285,406.70 and 104,417,696.20 is: 156,626,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856,937.80 : 181,285,406.70 = 104,417,696.20 : x
  2. Step 2: Convert to fraction form
    120,856,937.80/181,285,406.70 = 104,417,696.20/x
  3. Step 3: Cross multiply
    120,856,937.80x = 181,285,406.70 × 104,417,696.20
  4. Step 4: Simplify right side
    120,856,937.80x = 18,929,404,522,294,044
  5. Step 5: Solve for x
    x = 18,929,404,522,294,044/120,856,937.80
  6. Step 6: Final answer
    x = 156,626,544.30

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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.