Home / 319,562,080.65-478,919,374.34-164,109,608.73

Finding the Fourth Proportional to 319,562,080.65, 478,919,374.34 and 164,109,608.73

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Solution

The fourth proportional to 319,562,080.65, 478,919,374.34 and 164,109,608.73 is: 245,946,799.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,562,080.65 : 478,919,374.34 = 164,109,608.73 : x
  2. Step 2: Convert to fraction form
    319,562,080.65/478,919,374.34 = 164,109,608.73/x
  3. Step 3: Cross multiply
    319,562,080.65x = 478,919,374.34 × 164,109,608.73
  4. Step 4: Simplify right side
    319,562,080.65x = 78,595,271,135,333,248
  5. Step 5: Solve for x
    x = 78,595,271,135,333,248/319,562,080.65
  6. Step 6: Final answer
    x = 245,946,799.99

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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.