Home / 57,689,751-79,611,644.12-32,909,893.76

Finding the Fourth Proportional to 57,689,751, 79,611,644.12 and 32,909,893.76

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Solution

The fourth proportional to 57,689,751, 79,611,644.12 and 32,909,893.76 is: 45,415,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,689,751 : 79,611,644.12 = 32,909,893.76 : x
  2. Step 2: Convert to fraction form
    57,689,751/79,611,644.12 = 32,909,893.76/x
  3. Step 3: Cross multiply
    57,689,751x = 79,611,644.12 × 32,909,893.76
  4. Step 4: Simplify right side
    57,689,751x = 2,620,010,750,048,129
  5. Step 5: Solve for x
    x = 2,620,010,750,048,129/57,689,751
  6. Step 6: Final answer
    x = 45,415,532.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.