Home / 89,991,747.65-135,036,763.13-38,168,289.29

Finding the Fourth Proportional to 89,991,747.65, 135,036,763.13 and 38,168,289.29

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Solution

The fourth proportional to 89,991,747.65, 135,036,763.13 and 38,168,289.29 is: 57,273,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,991,747.65 : 135,036,763.13 = 38,168,289.29 : x
  2. Step 2: Convert to fraction form
    89,991,747.65/135,036,763.13 = 38,168,289.29/x
  3. Step 3: Cross multiply
    89,991,747.65x = 135,036,763.13 × 38,168,289.29
  4. Step 4: Simplify right side
    89,991,747.65x = 5,154,122,239,740,204
  5. Step 5: Solve for x
    x = 5,154,122,239,740,204/89,991,747.65
  6. Step 6: Final answer
    x = 57,273,276.43

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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.