Home / 74,930,558.20-112,479,818.10-57,966,436.60

Finding the Fourth Proportional to 74,930,558.20, 112,479,818.10 and 57,966,436.60

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Solution

The fourth proportional to 74,930,558.20, 112,479,818.10 and 57,966,436.60 is: 87,014,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930,558.20 : 112,479,818.10 = 57,966,436.60 : x
  2. Step 2: Convert to fraction form
    74,930,558.20/112,479,818.10 = 57,966,436.60/x
  3. Step 3: Cross multiply
    74,930,558.20x = 112,479,818.10 × 57,966,436.60
  4. Step 4: Simplify right side
    74,930,558.20x = 6,520,054,244,673,182
  5. Step 5: Solve for x
    x = 6,520,054,244,673,182/74,930,558.20
  6. Step 6: Final answer
    x = 87,014,622.62

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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.