Home / 221,184,209.60-331,776,314.40-100,019,614.40

Finding the Fourth Proportional to 221,184,209.60, 331,776,314.40 and 100,019,614.40

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Solution

The fourth proportional to 221,184,209.60, 331,776,314.40 and 100,019,614.40 is: 150,029,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,209.60 : 331,776,314.40 = 100,019,614.40 : x
  2. Step 2: Convert to fraction form
    221,184,209.60/331,776,314.40 = 100,019,614.40/x
  3. Step 3: Cross multiply
    221,184,209.60x = 331,776,314.40 × 100,019,614.40
  4. Step 4: Simplify right side
    221,184,209.60x = 33,184,139,033,341,168
  5. Step 5: Solve for x
    x = 33,184,139,033,341,168/221,184,209.60
  6. Step 6: Final answer
    x = 150,029,421.60

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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.