Home / 194,511,367.83-268,424,885.02-105,203,411.73

Finding the Fourth Proportional to 194,511,367.83, 268,424,885.02 and 105,203,411.73

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Solution

The fourth proportional to 194,511,367.83, 268,424,885.02 and 105,203,411.73 is: 145,180,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511,367.83 : 268,424,885.02 = 105,203,411.73 : x
  2. Step 2: Convert to fraction form
    194,511,367.83/268,424,885.02 = 105,203,411.73/x
  3. Step 3: Cross multiply
    194,511,367.83x = 268,424,885.02 × 105,203,411.73
  4. Step 4: Simplify right side
    194,511,367.83x = 28,239,213,697,336,972
  5. Step 5: Solve for x
    x = 28,239,213,697,336,972/194,511,367.83
  6. Step 6: Final answer
    x = 145,180,274.10

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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.