Home / 221,248,400.40-331,872,600.60-106,457,144.40

Finding the Fourth Proportional to 221,248,400.40, 331,872,600.60 and 106,457,144.40

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Solution

The fourth proportional to 221,248,400.40, 331,872,600.60 and 106,457,144.40 is: 159,685,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,248,400.40 : 331,872,600.60 = 106,457,144.40 : x
  2. Step 2: Convert to fraction form
    221,248,400.40/331,872,600.60 = 106,457,144.40/x
  3. Step 3: Cross multiply
    221,248,400.40x = 331,872,600.60 × 106,457,144.40
  4. Step 4: Simplify right side
    221,248,400.40x = 35,330,209,364,477,732
  5. Step 5: Solve for x
    x = 35,330,209,364,477,732/221,248,400.40
  6. Step 6: Final answer
    x = 159,685,716.60

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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.