Home / 74,877,216.90-112,336,820.55-31,767,072.90

Finding the Fourth Proportional to 74,877,216.90, 112,336,820.55 and 31,767,072.90

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Solution

The fourth proportional to 74,877,216.90, 112,336,820.55 and 31,767,072.90 is: 47,659,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877,216.90 : 112,336,820.55 = 31,767,072.90 : x
  2. Step 2: Convert to fraction form
    74,877,216.90/112,336,820.55 = 31,767,072.90/x
  3. Step 3: Cross multiply
    74,877,216.90x = 112,336,820.55 × 31,767,072.90
  4. Step 4: Simplify right side
    74,877,216.90x = 3,568,611,967,766,068
  5. Step 5: Solve for x
    x = 3,568,611,967,766,068/74,877,216.90
  6. Step 6: Final answer
    x = 47,659,516.68

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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.