Home / 60,683,417.56-91,006,152.90-20,284,453.72

Finding the Fourth Proportional to 60,683,417.56, 91,006,152.90 and 20,284,453.72

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Solution

The fourth proportional to 60,683,417.56, 91,006,152.90 and 20,284,453.72 is: 30,420,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,683,417.56 : 91,006,152.90 = 20,284,453.72 : x
  2. Step 2: Convert to fraction form
    60,683,417.56/91,006,152.90 = 20,284,453.72/x
  3. Step 3: Cross multiply
    60,683,417.56x = 91,006,152.90 × 20,284,453.72
  4. Step 4: Simplify right side
    60,683,417.56x = 1,846,010,096,735,293.75
  5. Step 5: Solve for x
    x = 1,846,010,096,735,293.75/60,683,417.56
  6. Step 6: Final answer
    x = 30,420,338.39

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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.