Home / 194,676,042.42-268,652,916.83-105,367,971.33

Finding the Fourth Proportional to 194,676,042.42, 268,652,916.83 and 105,367,971.33

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Solution

The fourth proportional to 194,676,042.42, 268,652,916.83 and 105,367,971.33 is: 145,407,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,676,042.42 : 268,652,916.83 = 105,367,971.33 : x
  2. Step 2: Convert to fraction form
    194,676,042.42/268,652,916.83 = 105,367,971.33/x
  3. Step 3: Cross multiply
    194,676,042.42x = 268,652,916.83 × 105,367,971.33
  4. Step 4: Simplify right side
    194,676,042.42x = 28,307,412,837,737,472
  5. Step 5: Solve for x
    x = 28,307,412,837,737,472/194,676,042.42
  6. Step 6: Final answer
    x = 145,407,788.68

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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.