Home / 384,610,415.80-576,915,623.70-111,990,076.60

Finding the Fourth Proportional to 384,610,415.80, 576,915,623.70 and 111,990,076.60

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Solution

The fourth proportional to 384,610,415.80, 576,915,623.70 and 111,990,076.60 is: 167,985,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,610,415.80 : 576,915,623.70 = 111,990,076.60 : x
  2. Step 2: Convert to fraction form
    384,610,415.80/576,915,623.70 = 111,990,076.60/x
  3. Step 3: Cross multiply
    384,610,415.80x = 576,915,623.70 × 111,990,076.60
  4. Step 4: Simplify right side
    384,610,415.80x = 64,608,824,889,899,776
  5. Step 5: Solve for x
    x = 64,608,824,889,899,776/384,610,415.80
  6. Step 6: Final answer
    x = 167,985,114.90

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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.