Home / 251,971,795.60-377,957,693.40-208,925,074.60

Finding the Fourth Proportional to 251,971,795.60, 377,957,693.40 and 208,925,074.60

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Solution

The fourth proportional to 251,971,795.60, 377,957,693.40 and 208,925,074.60 is: 313,387,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,971,795.60 : 377,957,693.40 = 208,925,074.60 : x
  2. Step 2: Convert to fraction form
    251,971,795.60/377,957,693.40 = 208,925,074.60/x
  3. Step 3: Cross multiply
    251,971,795.60x = 377,957,693.40 × 208,925,074.60
  4. Step 4: Simplify right side
    251,971,795.60x = 78,964,839,289,238,928
  5. Step 5: Solve for x
    x = 78,964,839,289,238,928/251,971,795.60
  6. Step 6: Final answer
    x = 313,387,611.90

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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.