Home / 155,135,356.41-214,088,235.90-85,523,228.40

Finding the Fourth Proportional to 155,135,356.41, 214,088,235.90 and 85,523,228.40

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Solution

The fourth proportional to 155,135,356.41, 214,088,235.90 and 85,523,228.40 is: 118,022,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,135,356.41 : 214,088,235.90 = 85,523,228.40 : x
  2. Step 2: Convert to fraction form
    155,135,356.41/214,088,235.90 = 85,523,228.40/x
  3. Step 3: Cross multiply
    155,135,356.41x = 214,088,235.90 × 85,523,228.40
  4. Step 4: Simplify right side
    155,135,356.41x = 18,309,517,096,628,780
  5. Step 5: Solve for x
    x = 18,309,517,096,628,780/155,135,356.41
  6. Step 6: Final answer
    x = 118,022,851.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.