Home / 92,583,638.20-138,733,739.70-87,481,804.60

Finding the Fourth Proportional to 92,583,638.20, 138,733,739.70 and 87,481,804.60

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Solution

The fourth proportional to 92,583,638.20, 138,733,739.70 and 87,481,804.60 is: 131,088,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,583,638.20 : 138,733,739.70 = 87,481,804.60 : x
  2. Step 2: Convert to fraction form
    92,583,638.20/138,733,739.70 = 87,481,804.60/x
  3. Step 3: Cross multiply
    92,583,638.20x = 138,733,739.70 × 87,481,804.60
  4. Step 4: Simplify right side
    92,583,638.20x = 12,136,677,907,862,660
  5. Step 5: Solve for x
    x = 12,136,677,907,862,660/92,583,638.20
  6. Step 6: Final answer
    x = 131,088,798.67

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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.