Home / 122,784,940.80-184,202,999.10-40,929,248.70

Finding the Fourth Proportional to 122,784,940.80, 184,202,999.10 and 40,929,248.70

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Solution

The fourth proportional to 122,784,940.80, 184,202,999.10 and 40,929,248.70 is: 61,402,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,784,940.80 : 184,202,999.10 = 40,929,248.70 : x
  2. Step 2: Convert to fraction form
    122,784,940.80/184,202,999.10 = 40,929,248.70/x
  3. Step 3: Cross multiply
    122,784,940.80x = 184,202,999.10 × 40,929,248.70
  4. Step 4: Simplify right side
    122,784,940.80x = 7,539,290,361,449,776
  5. Step 5: Solve for x
    x = 7,539,290,361,449,776/122,784,940.80
  6. Step 6: Final answer
    x = 61,402,402.54

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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.