Home / 342,774,804.38-514,000,121.58-132,783,840.20

Finding the Fourth Proportional to 342,774,804.38, 514,000,121.58 and 132,783,840.20

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Solution

The fourth proportional to 342,774,804.38, 514,000,121.58 and 132,783,840.20 is: 199,112,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,774,804.38 : 514,000,121.58 = 132,783,840.20 : x
  2. Step 2: Convert to fraction form
    342,774,804.38/514,000,121.58 = 132,783,840.20/x
  3. Step 3: Cross multiply
    342,774,804.38x = 514,000,121.58 × 132,783,840.20
  4. Step 4: Simplify right side
    342,774,804.38x = 68,250,910,004,089,288
  5. Step 5: Solve for x
    x = 68,250,910,004,089,288/342,774,804.38
  6. Step 6: Final answer
    x = 199,112,971.94

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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.