Home / 122,015,089.22-183,022,479.27-31,138,680.26

Finding the Fourth Proportional to 122,015,089.22, 183,022,479.27 and 31,138,680.26

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Solution

The fourth proportional to 122,015,089.22, 183,022,479.27 and 31,138,680.26 is: 46,707,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,015,089.22 : 183,022,479.27 = 31,138,680.26 : x
  2. Step 2: Convert to fraction form
    122,015,089.22/183,022,479.27 = 31,138,680.26/x
  3. Step 3: Cross multiply
    122,015,089.22x = 183,022,479.27 × 31,138,680.26
  4. Step 4: Simplify right side
    122,015,089.22x = 5,699,078,462,381,009
  5. Step 5: Solve for x
    x = 5,699,078,462,381,009/122,015,089.22
  6. Step 6: Final answer
    x = 46,707,980.95

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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.