Home / 103,512,144.40-155,268,216.60-101,496,605.20

Finding the Fourth Proportional to 103,512,144.40, 155,268,216.60 and 101,496,605.20

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Solution

The fourth proportional to 103,512,144.40, 155,268,216.60 and 101,496,605.20 is: 152,244,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,512,144.40 : 155,268,216.60 = 101,496,605.20 : x
  2. Step 2: Convert to fraction form
    103,512,144.40/155,268,216.60 = 101,496,605.20/x
  3. Step 3: Cross multiply
    103,512,144.40x = 155,268,216.60 × 101,496,605.20
  4. Step 4: Simplify right side
    103,512,144.40x = 15,759,196,880,358,286
  5. Step 5: Solve for x
    x = 15,759,196,880,358,286/103,512,144.40
  6. Step 6: Final answer
    x = 152,244,907.80

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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.