Home / 209,952,170.40-314,928,255.60-201,449,114.40

Finding the Fourth Proportional to 209,952,170.40, 314,928,255.60 and 201,449,114.40

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Solution

The fourth proportional to 209,952,170.40, 314,928,255.60 and 201,449,114.40 is: 302,173,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,170.40 : 314,928,255.60 = 201,449,114.40 : x
  2. Step 2: Convert to fraction form
    209,952,170.40/314,928,255.60 = 201,449,114.40/x
  3. Step 3: Cross multiply
    209,952,170.40x = 314,928,255.60 × 201,449,114.40
  4. Step 4: Simplify right side
    209,952,170.40x = 63,442,018,190,156,848
  5. Step 5: Solve for x
    x = 63,442,018,190,156,848/209,952,170.40
  6. Step 6: Final answer
    x = 302,173,671.60

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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.