Home / 155,520,114.70-233,280,172.05-87,365,029.90

Finding the Fourth Proportional to 155,520,114.70, 233,280,172.05 and 87,365,029.90

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Solution

The fourth proportional to 155,520,114.70, 233,280,172.05 and 87,365,029.90 is: 131,047,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,114.70 : 233,280,172.05 = 87,365,029.90 : x
  2. Step 2: Convert to fraction form
    155,520,114.70/233,280,172.05 = 87,365,029.90/x
  3. Step 3: Cross multiply
    155,520,114.70x = 233,280,172.05 × 87,365,029.90
  4. Step 4: Simplify right side
    155,520,114.70x = 20,380,529,206,225,396
  5. Step 5: Solve for x
    x = 20,380,529,206,225,396/155,520,114.70
  6. Step 6: Final answer
    x = 131,047,544.85

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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.