Home / 66,331,497.60-99,497,246.40-20,273,277.60

Finding the Fourth Proportional to 66,331,497.60, 99,497,246.40 and 20,273,277.60

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Solution

The fourth proportional to 66,331,497.60, 99,497,246.40 and 20,273,277.60 is: 30,409,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331,497.60 : 99,497,246.40 = 20,273,277.60 : x
  2. Step 2: Convert to fraction form
    66,331,497.60/99,497,246.40 = 20,273,277.60/x
  3. Step 3: Cross multiply
    66,331,497.60x = 99,497,246.40 × 20,273,277.60
  4. Step 4: Simplify right side
    66,331,497.60x = 2,017,135,296,702,801
  5. Step 5: Solve for x
    x = 2,017,135,296,702,801/66,331,497.60
  6. Step 6: Final answer
    x = 30,409,916.40

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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.