Home / 299,014,594.40-448,605,872.40-145,665,653.60

Finding the Fourth Proportional to 299,014,594.40, 448,605,872.40 and 145,665,653.60

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Solution

The fourth proportional to 299,014,594.40, 448,605,872.40 and 145,665,653.60 is: 218,539,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,014,594.40 : 448,605,872.40 = 145,665,653.60 : x
  2. Step 2: Convert to fraction form
    299,014,594.40/448,605,872.40 = 145,665,653.60/x
  3. Step 3: Cross multiply
    299,014,594.40x = 448,605,872.40 × 145,665,653.60
  4. Step 4: Simplify right side
    299,014,594.40x = 65,346,467,611,944,192
  5. Step 5: Solve for x
    x = 65,346,467,611,944,192/299,014,594.40
  6. Step 6: Final answer
    x = 218,539,391.84

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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.