Home / 123,336,254.40-185,004,381.60-111,998,846.40

Finding the Fourth Proportional to 123,336,254.40, 185,004,381.60 and 111,998,846.40

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Solution

The fourth proportional to 123,336,254.40, 185,004,381.60 and 111,998,846.40 is: 167,998,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336,254.40 : 185,004,381.60 = 111,998,846.40 : x
  2. Step 2: Convert to fraction form
    123,336,254.40/185,004,381.60 = 111,998,846.40/x
  3. Step 3: Cross multiply
    123,336,254.40x = 185,004,381.60 × 111,998,846.40
  4. Step 4: Simplify right side
    123,336,254.40x = 20,720,277,318,145,388
  5. Step 5: Solve for x
    x = 20,720,277,318,145,388/123,336,254.40
  6. Step 6: Final answer
    x = 167,998,269.60

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1.5x scale

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.