Home / 155,137,047.48-214,089,773.58-85,520,901

Finding the Fourth Proportional to 155,137,047.48, 214,089,773.58 and 85,520,901

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Solution

The fourth proportional to 155,137,047.48, 214,089,773.58 and 85,520,901 is: 118,019,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,137,047.48 : 214,089,773.58 = 85,520,901 : x
  2. Step 2: Convert to fraction form
    155,137,047.48/214,089,773.58 = 85,520,901/x
  3. Step 3: Cross multiply
    155,137,047.48x = 214,089,773.58 × 85,520,901
  4. Step 4: Simplify right side
    155,137,047.48x = 18,309,150,331,447,596
  5. Step 5: Solve for x
    x = 18,309,150,331,447,596/155,137,047.48
  6. Step 6: Final answer
    x = 118,019,200.63

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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.