Home / 279,882,783.60-419,824,175.40-134,291,569.20

Finding the Fourth Proportional to 279,882,783.60, 419,824,175.40 and 134,291,569.20

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Solution

The fourth proportional to 279,882,783.60, 419,824,175.40 and 134,291,569.20 is: 201,437,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,882,783.60 : 419,824,175.40 = 134,291,569.20 : x
  2. Step 2: Convert to fraction form
    279,882,783.60/419,824,175.40 = 134,291,569.20/x
  3. Step 3: Cross multiply
    279,882,783.60x = 419,824,175.40 × 134,291,569.20
  4. Step 4: Simplify right side
    279,882,783.60x = 56,378,847,302,562,032
  5. Step 5: Solve for x
    x = 56,378,847,302,562,032/279,882,783.60
  6. Step 6: Final answer
    x = 201,437,353.80

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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.