Home / 54,988,133.34-82,492,821.55-20,906,829.30

Finding the Fourth Proportional to 54,988,133.34, 82,492,821.55 and 20,906,829.30

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Solution

The fourth proportional to 54,988,133.34, 82,492,821.55 and 20,906,829.30 is: 31,364,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,133.34 : 82,492,821.55 = 20,906,829.30 : x
  2. Step 2: Convert to fraction form
    54,988,133.34/82,492,821.55 = 20,906,829.30/x
  3. Step 3: Cross multiply
    54,988,133.34x = 82,492,821.55 × 20,906,829.30
  4. Step 4: Simplify right side
    54,988,133.34x = 1,724,663,338,839,154.75
  5. Step 5: Solve for x
    x = 1,724,663,338,839,154.75/54,988,133.34
  6. Step 6: Final answer
    x = 31,364,282.33

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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.