Home / 122,472,015.60-183,708,023.40-74,099,074.80

Finding the Fourth Proportional to 122,472,015.60, 183,708,023.40 and 74,099,074.80

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Solution

The fourth proportional to 122,472,015.60, 183,708,023.40 and 74,099,074.80 is: 111,148,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,015.60 : 183,708,023.40 = 74,099,074.80 : x
  2. Step 2: Convert to fraction form
    122,472,015.60/183,708,023.40 = 74,099,074.80/x
  3. Step 3: Cross multiply
    122,472,015.60x = 183,708,023.40 × 74,099,074.80
  4. Step 4: Simplify right side
    122,472,015.60x = 13,612,594,567,276,750
  5. Step 5: Solve for x
    x = 13,612,594,567,276,750/122,472,015.60
  6. Step 6: Final answer
    x = 111,148,612.20

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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.