Home / 122,379,989.45-183,516,840.08-40,467,216.65

Finding the Fourth Proportional to 122,379,989.45, 183,516,840.08 and 40,467,216.65

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Solution

The fourth proportional to 122,379,989.45, 183,516,840.08 and 40,467,216.65 is: 60,683,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,379,989.45 : 183,516,840.08 = 40,467,216.65 : x
  2. Step 2: Convert to fraction form
    122,379,989.45/183,516,840.08 = 40,467,216.65/x
  3. Step 3: Cross multiply
    122,379,989.45x = 183,516,840.08 × 40,467,216.65
  4. Step 4: Simplify right side
    122,379,989.45x = 7,426,415,726,238,426
  5. Step 5: Solve for x
    x = 7,426,415,726,238,426/122,379,989.45
  6. Step 6: Final answer
    x = 60,683,251.89

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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.