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Finding the Fourth Proportional to 100,975,930.90, 151,463,896.35 and 100,975,930.90

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Solution

The fourth proportional to 100,975,930.90, 151,463,896.35 and 100,975,930.90 is: 151,463,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,975,930.90 : 151,463,896.35 = 100,975,930.90 : x
  2. Step 2: Convert to fraction form
    100,975,930.90/151,463,896.35 = 100,975,930.90/x
  3. Step 3: Cross multiply
    100,975,930.90x = 151,463,896.35 × 100,975,930.90
  4. Step 4: Simplify right side
    100,975,930.90x = 15,294,207,931,682,362
  5. Step 5: Solve for x
    x = 15,294,207,931,682,362/100,975,930.90
  6. Step 6: Final answer
    x = 151,463,896.35

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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.