Home / 281,731,416.28-388,731,134.46-162,651,945.01

Finding the Fourth Proportional to 281,731,416.28, 388,731,134.46 and 162,651,945.01

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Solution

The fourth proportional to 281,731,416.28, 388,731,134.46 and 162,651,945.01 is: 224,426,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,731,416.28 : 388,731,134.46 = 162,651,945.01 : x
  2. Step 2: Convert to fraction form
    281,731,416.28/388,731,134.46 = 162,651,945.01/x
  3. Step 3: Cross multiply
    281,731,416.28x = 388,731,134.46 × 162,651,945.01
  4. Step 4: Simplify right side
    281,731,416.28x = 63,227,875,105,862,832
  5. Step 5: Solve for x
    x = 63,227,875,105,862,832/281,731,416.28
  6. Step 6: Final answer
    x = 224,426,071.97

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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.