Home / 90,511,351.56-124,903,270.08-49,257,358.20

Finding the Fourth Proportional to 90,511,351.56, 124,903,270.08 and 49,257,358.20

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Solution

The fourth proportional to 90,511,351.56, 124,903,270.08 and 49,257,358.20 is: 67,973,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,511,351.56 : 124,903,270.08 = 49,257,358.20 : x
  2. Step 2: Convert to fraction form
    90,511,351.56/124,903,270.08 = 49,257,358.20/x
  3. Step 3: Cross multiply
    90,511,351.56x = 124,903,270.08 × 49,257,358.20
  4. Step 4: Simplify right side
    90,511,351.56x = 6,152,405,114,681,903
  5. Step 5: Solve for x
    x = 6,152,405,114,681,903/90,511,351.56
  6. Step 6: Final answer
    x = 67,973,850.89

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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.