Home / 194,795,236.25-268,817,685.20-105,487,334.36

Finding the Fourth Proportional to 194,795,236.25, 268,817,685.20 and 105,487,334.36

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Solution

The fourth proportional to 194,795,236.25, 268,817,685.20 and 105,487,334.36 is: 145,572,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,795,236.25 : 268,817,685.20 = 105,487,334.36 : x
  2. Step 2: Convert to fraction form
    194,795,236.25/268,817,685.20 = 105,487,334.36/x
  3. Step 3: Cross multiply
    194,795,236.25x = 268,817,685.20 × 105,487,334.36
  4. Step 4: Simplify right side
    194,795,236.25x = 28,356,861,038,702,100
  5. Step 5: Solve for x
    x = 28,356,861,038,702,100/194,795,236.25
  6. Step 6: Final answer
    x = 145,572,661.76

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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.