Home / 57,975,963.20-86,974,917.60-19,116,647.36

Finding the Fourth Proportional to 57,975,963.20, 86,974,917.60 and 19,116,647.36

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Solution

The fourth proportional to 57,975,963.20, 86,974,917.60 and 19,116,647.36 is: 28,678,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,975,963.20 : 86,974,917.60 = 19,116,647.36 : x
  2. Step 2: Convert to fraction form
    57,975,963.20/86,974,917.60 = 19,116,647.36/x
  3. Step 3: Cross multiply
    57,975,963.20x = 86,974,917.60 × 19,116,647.36
  4. Step 4: Simplify right side
    57,975,963.20x = 1,662,668,828,924,257.25
  5. Step 5: Solve for x
    x = 1,662,668,828,924,257.25/57,975,963.20
  6. Step 6: Final answer
    x = 28,678,589.15

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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.