Home / 79,268,369.18-118,874,017.04-27,438,889.46

Finding the Fourth Proportional to 79,268,369.18, 118,874,017.04 and 27,438,889.46

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Solution

The fourth proportional to 79,268,369.18, 118,874,017.04 and 27,438,889.46 is: 41,148,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,369.18 : 118,874,017.04 = 27,438,889.46 : x
  2. Step 2: Convert to fraction form
    79,268,369.18/118,874,017.04 = 27,438,889.46/x
  3. Step 3: Cross multiply
    79,268,369.18x = 118,874,017.04 × 27,438,889.46
  4. Step 4: Simplify right side
    79,268,369.18x = 3,261,771,013,226,716.50
  5. Step 5: Solve for x
    x = 3,261,771,013,226,716.50/79,268,369.18
  6. Step 6: Final answer
    x = 41,148,456.15

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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.