Home / 54,178,825.84-74,762,897.88-30,974,930.80

Finding the Fourth Proportional to 54,178,825.84, 74,762,897.88 and 30,974,930.80

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Solution

The fourth proportional to 54,178,825.84, 74,762,897.88 and 30,974,930.80 is: 42,743,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178,825.84 : 74,762,897.88 = 30,974,930.80 : x
  2. Step 2: Convert to fraction form
    54,178,825.84/74,762,897.88 = 30,974,930.80/x
  3. Step 3: Cross multiply
    54,178,825.84x = 74,762,897.88 × 30,974,930.80
  4. Step 4: Simplify right side
    54,178,825.84x = 2,315,775,588,240,466.50
  5. Step 5: Solve for x
    x = 2,315,775,588,240,466.50/54,178,825.84
  6. Step 6: Final answer
    x = 42,743,185.23

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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.