Home / 302,864,939.25-418,298,376.70-203,573,303.54

Finding the Fourth Proportional to 302,864,939.25, 418,298,376.70 and 203,573,303.54

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Solution

The fourth proportional to 302,864,939.25, 418,298,376.70 and 203,573,303.54 is: 281,162,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,864,939.25 : 418,298,376.70 = 203,573,303.54 : x
  2. Step 2: Convert to fraction form
    302,864,939.25/418,298,376.70 = 203,573,303.54/x
  3. Step 3: Cross multiply
    302,864,939.25x = 418,298,376.70 × 203,573,303.54
  4. Step 4: Simplify right side
    302,864,939.25x = 85,154,382,409,077,504
  5. Step 5: Solve for x
    x = 85,154,382,409,077,504/302,864,939.25
  6. Step 6: Final answer
    x = 281,162,892.67

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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.