Home / 199,485,905.60-299,417,815.20-122,958,401.60

Finding the Fourth Proportional to 199,485,905.60, 299,417,815.20 and 122,958,401.60

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Solution

The fourth proportional to 199,485,905.60, 299,417,815.20 and 122,958,401.60 is: 184,554,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485,905.60 : 299,417,815.20 = 122,958,401.60 : x
  2. Step 2: Convert to fraction form
    199,485,905.60/299,417,815.20 = 122,958,401.60/x
  3. Step 3: Cross multiply
    199,485,905.60x = 299,417,815.20 × 122,958,401.60
  4. Step 4: Simplify right side
    199,485,905.60x = 36,815,935,967,556,184
  5. Step 5: Solve for x
    x = 36,815,935,967,556,184/199,485,905.60
  6. Step 6: Final answer
    x = 184,554,070.91

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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.