Home / 219,495,195.60-329,242,620.44-66,141,253.84

Finding the Fourth Proportional to 219,495,195.60, 329,242,620.44 and 66,141,253.84

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Solution

The fourth proportional to 219,495,195.60, 329,242,620.44 and 66,141,253.84 is: 99,211,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,495,195.60 : 329,242,620.44 = 66,141,253.84 : x
  2. Step 2: Convert to fraction form
    219,495,195.60/329,242,620.44 = 66,141,253.84/x
  3. Step 3: Cross multiply
    219,495,195.60x = 329,242,620.44 × 66,141,253.84
  4. Step 4: Simplify right side
    219,495,195.60x = 21,776,519,733,468,812
  5. Step 5: Solve for x
    x = 21,776,519,733,468,812/219,495,195.60
  6. Step 6: Final answer
    x = 99,211,828.64

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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.