Home / 74,733,977.40-112,100,966.10-40,296,600.60

Finding the Fourth Proportional to 74,733,977.40, 112,100,966.10 and 40,296,600.60

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Solution

The fourth proportional to 74,733,977.40, 112,100,966.10 and 40,296,600.60 is: 60,444,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,977.40 : 112,100,966.10 = 40,296,600.60 : x
  2. Step 2: Convert to fraction form
    74,733,977.40/112,100,966.10 = 40,296,600.60/x
  3. Step 3: Cross multiply
    74,733,977.40x = 112,100,966.10 × 40,296,600.60
  4. Step 4: Simplify right side
    74,733,977.40x = 4,517,287,857,805,840
  5. Step 5: Solve for x
    x = 4,517,287,857,805,840/74,733,977.40
  6. Step 6: Final answer
    x = 60,444,900.90

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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.