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Finding the Fourth Proportional to 30,241,840.05, 45,362,760.09 and 30,241,840.05

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Solution

The fourth proportional to 30,241,840.05, 45,362,760.09 and 30,241,840.05 is: 45,362,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,840.05 : 45,362,760.09 = 30,241,840.05 : x
  2. Step 2: Convert to fraction form
    30,241,840.05/45,362,760.09 = 30,241,840.05/x
  3. Step 3: Cross multiply
    30,241,840.05x = 45,362,760.09 × 30,241,840.05
  4. Step 4: Simplify right side
    30,241,840.05x = 1,371,853,334,868,303.75
  5. Step 5: Solve for x
    x = 1,371,853,334,868,303.75/30,241,840.05
  6. Step 6: Final answer
    x = 45,362,760.09

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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.