Home / 319,541,637.20-479,312,455.80-164,573,441.60

Finding the Fourth Proportional to 319,541,637.20, 479,312,455.80 and 164,573,441.60

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Solution

The fourth proportional to 319,541,637.20, 479,312,455.80 and 164,573,441.60 is: 246,860,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,541,637.20 : 479,312,455.80 = 164,573,441.60 : x
  2. Step 2: Convert to fraction form
    319,541,637.20/479,312,455.80 = 164,573,441.60/x
  3. Step 3: Cross multiply
    319,541,637.20x = 479,312,455.80 × 164,573,441.60
  4. Step 4: Simplify right side
    319,541,637.20x = 78,882,100,452,753,888
  5. Step 5: Solve for x
    x = 78,882,100,452,753,888/319,541,637.20
  6. Step 6: Final answer
    x = 246,860,162.40

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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.