Home / 304,546,255.11-420,274,364.81-165,317,111.19

Finding the Fourth Proportional to 304,546,255.11, 420,274,364.81 and 165,317,111.19

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Solution

The fourth proportional to 304,546,255.11, 420,274,364.81 and 165,317,111.19 is: 228,137,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,546,255.11 : 420,274,364.81 = 165,317,111.19 : x
  2. Step 2: Convert to fraction form
    304,546,255.11/420,274,364.81 = 165,317,111.19/x
  3. Step 3: Cross multiply
    304,546,255.11x = 420,274,364.81 × 165,317,111.19
  4. Step 4: Simplify right side
    304,546,255.11x = 69,478,543,896,774,808
  5. Step 5: Solve for x
    x = 69,478,543,896,774,808/304,546,255.11
  6. Step 6: Final answer
    x = 228,137,902.64

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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.