Home / 279,854,564.60-419,958,794.10-164,838,884.60

Finding the Fourth Proportional to 279,854,564.60, 419,958,794.10 and 164,838,884.60

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Solution

The fourth proportional to 279,854,564.60, 419,958,794.10 and 164,838,884.60 is: 247,362,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,854,564.60 : 419,958,794.10 = 164,838,884.60 : x
  2. Step 2: Convert to fraction form
    279,854,564.60/419,958,794.10 = 164,838,884.60/x
  3. Step 3: Cross multiply
    279,854,564.60x = 419,958,794.10 × 164,838,884.60
  4. Step 4: Simplify right side
    279,854,564.60x = 69,225,539,197,405,064
  5. Step 5: Solve for x
    x = 69,225,539,197,405,064/279,854,564.60
  6. Step 6: Final answer
    x = 247,362,551.68

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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.