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Finding the Fourth Proportional to 100,472,674.78, 150,719,438.58 and 27,689,467.78

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Solution

The fourth proportional to 100,472,674.78, 150,719,438.58 and 27,689,467.78 is: 41,537,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,472,674.78 : 150,719,438.58 = 27,689,467.78 : x
  2. Step 2: Convert to fraction form
    100,472,674.78/150,719,438.58 = 27,689,467.78/x
  3. Step 3: Cross multiply
    100,472,674.78x = 150,719,438.58 × 27,689,467.78
  4. Step 4: Simplify right side
    100,472,674.78x = 4,173,341,038,380,599.50
  5. Step 5: Solve for x
    x = 4,173,341,038,380,599.50/100,472,674.78
  6. Step 6: Final answer
    x = 41,537,075.11

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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.