Home / 54,988,071.68-82,473,041.09-18,100,438.20

Finding the Fourth Proportional to 54,988,071.68, 82,473,041.09 and 18,100,438.20

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Solution

The fourth proportional to 54,988,071.68, 82,473,041.09 and 18,100,438.20 is: 27,147,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,071.68 : 82,473,041.09 = 18,100,438.20 : x
  2. Step 2: Convert to fraction form
    54,988,071.68/82,473,041.09 = 18,100,438.20/x
  3. Step 3: Cross multiply
    54,988,071.68x = 82,473,041.09 × 18,100,438.20
  4. Step 4: Simplify right side
    54,988,071.68x = 1,492,798,183,460,856.75
  5. Step 5: Solve for x
    x = 1,492,798,183,460,856.75/54,988,071.68
  6. Step 6: Final answer
    x = 27,147,672.90

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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.