Home / 221,184,009.60-331,776,014.40-100,251,657.60

Finding the Fourth Proportional to 221,184,009.60, 331,776,014.40 and 100,251,657.60

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Solution

The fourth proportional to 221,184,009.60, 331,776,014.40 and 100,251,657.60 is: 150,377,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,009.60 : 331,776,014.40 = 100,251,657.60 : x
  2. Step 2: Convert to fraction form
    221,184,009.60/331,776,014.40 = 100,251,657.60/x
  3. Step 3: Cross multiply
    221,184,009.60x = 331,776,014.40 × 100,251,657.60
  4. Step 4: Simplify right side
    221,184,009.60x = 33,261,095,395,521,464
  5. Step 5: Solve for x
    x = 33,261,095,395,521,464/221,184,009.60
  6. Step 6: Final answer
    x = 150,377,486.40

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1.5x scale

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.