Home / 66,427,260.40-99,640,890.60-30,595,452.40

Finding the Fourth Proportional to 66,427,260.40, 99,640,890.60 and 30,595,452.40

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Solution

The fourth proportional to 66,427,260.40, 99,640,890.60 and 30,595,452.40 is: 45,893,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427,260.40 : 99,640,890.60 = 30,595,452.40 : x
  2. Step 2: Convert to fraction form
    66,427,260.40/99,640,890.60 = 30,595,452.40/x
  3. Step 3: Cross multiply
    66,427,260.40x = 99,640,890.60 × 30,595,452.40
  4. Step 4: Simplify right side
    66,427,260.40x = 3,048,558,125,445,907
  5. Step 5: Solve for x
    x = 3,048,558,125,445,907/66,427,260.40
  6. Step 6: Final answer
    x = 45,893,178.60

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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.