Home / 298,239,992.32-447,152,006.72-132,153,165.12

Finding the Fourth Proportional to 298,239,992.32, 447,152,006.72 and 132,153,165.12

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Solution

The fourth proportional to 298,239,992.32, 447,152,006.72 and 132,153,165.12 is: 198,137,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,239,992.32 : 447,152,006.72 = 132,153,165.12 : x
  2. Step 2: Convert to fraction form
    298,239,992.32/447,152,006.72 = 132,153,165.12/x
  3. Step 3: Cross multiply
    298,239,992.32x = 447,152,006.72 × 132,153,165.12
  4. Step 4: Simplify right side
    298,239,992.32x = 59,092,552,977,807,512
  5. Step 5: Solve for x
    x = 59,092,552,977,807,512/298,239,992.32
  6. Step 6: Final answer
    x = 198,137,588.85

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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.