Home / 194,623,687.17-268,581,399.81-105,315,631.80

Finding the Fourth Proportional to 194,623,687.17, 268,581,399.81 and 105,315,631.80

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Solution

The fourth proportional to 194,623,687.17, 268,581,399.81 and 105,315,631.80 is: 145,335,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,687.17 : 268,581,399.81 = 105,315,631.80 : x
  2. Step 2: Convert to fraction form
    194,623,687.17/268,581,399.81 = 105,315,631.80/x
  3. Step 3: Cross multiply
    194,623,687.17x = 268,581,399.81 × 105,315,631.80
  4. Step 4: Simplify right side
    194,623,687.17x = 28,285,819,810,718,548
  5. Step 5: Solve for x
    x = 28,285,819,810,718,548/194,623,687.17
  6. Step 6: Final answer
    x = 145,335,956.90

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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.