Home / 299,637,052.77-449,406,568.34-105,502,836.45

Finding the Fourth Proportional to 299,637,052.77, 449,406,568.34 and 105,502,836.45

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Solution

The fourth proportional to 299,637,052.77, 449,406,568.34 and 105,502,836.45 is: 158,236,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,637,052.77 : 449,406,568.34 = 105,502,836.45 : x
  2. Step 2: Convert to fraction form
    299,637,052.77/449,406,568.34 = 105,502,836.45/x
  3. Step 3: Cross multiply
    299,637,052.77x = 449,406,568.34 × 105,502,836.45
  4. Step 4: Simplify right side
    299,637,052.77x = 47,413,667,680,684,168
  5. Step 5: Solve for x
    x = 47,413,667,680,684,168/299,637,052.77
  6. Step 6: Final answer
    x = 158,236,997.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.