Home / 202,630,912.74-279,630,898.79-109,811,420.60

Finding the Fourth Proportional to 202,630,912.74, 279,630,898.79 and 109,811,420.60

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Solution

The fourth proportional to 202,630,912.74, 279,630,898.79 and 109,811,420.60 is: 151,539,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,630,912.74 : 279,630,898.79 = 109,811,420.60 : x
  2. Step 2: Convert to fraction form
    202,630,912.74/279,630,898.79 = 109,811,420.60/x
  3. Step 3: Cross multiply
    202,630,912.74x = 279,630,898.79 × 109,811,420.60
  4. Step 4: Simplify right side
    202,630,912.74x = 30,706,666,237,837,512
  5. Step 5: Solve for x
    x = 30,706,666,237,837,512/202,630,912.74
  6. Step 6: Final answer
    x = 151,539,890.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.