Home / 199,485,521.60-299,417,239.20-122,958,017.60

Finding the Fourth Proportional to 199,485,521.60, 299,417,239.20 and 122,958,017.60

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Solution

The fourth proportional to 199,485,521.60, 299,417,239.20 and 122,958,017.60 is: 184,553,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485,521.60 : 299,417,239.20 = 122,958,017.60 : x
  2. Step 2: Convert to fraction form
    199,485,521.60/299,417,239.20 = 122,958,017.60/x
  3. Step 3: Cross multiply
    199,485,521.60x = 299,417,239.20 × 122,958,017.60
  4. Step 4: Simplify right side
    199,485,521.60x = 36,815,750,167,297,008
  5. Step 5: Solve for x
    x = 36,815,750,167,297,008/199,485,521.60
  6. Step 6: Final answer
    x = 184,553,494.77

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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.