Home / 321,395,141.52-443,496,926.70-178,344,492.12

Finding the Fourth Proportional to 321,395,141.52, 443,496,926.70 and 178,344,492.12

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Solution

The fourth proportional to 321,395,141.52, 443,496,926.70 and 178,344,492.12 is: 246,099,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,395,141.52 : 443,496,926.70 = 178,344,492.12 : x
  2. Step 2: Convert to fraction form
    321,395,141.52/443,496,926.70 = 178,344,492.12/x
  3. Step 3: Cross multiply
    321,395,141.52x = 443,496,926.70 × 178,344,492.12
  4. Step 4: Simplify right side
    321,395,141.52x = 79,095,234,149,092,368
  5. Step 5: Solve for x
    x = 79,095,234,149,092,368/321,395,141.52
  6. Step 6: Final answer
    x = 246,099,657.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.