Home / 145,543,650.80-218,318,975.40-43,311,023.60

Finding the Fourth Proportional to 145,543,650.80, 218,318,975.40 and 43,311,023.60

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Solution

The fourth proportional to 145,543,650.80, 218,318,975.40 and 43,311,023.60 is: 64,967,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,543,650.80 : 218,318,975.40 = 43,311,023.60 : x
  2. Step 2: Convert to fraction form
    145,543,650.80/218,318,975.40 = 43,311,023.60/x
  3. Step 3: Cross multiply
    145,543,650.80x = 218,318,975.40 × 43,311,023.60
  4. Step 4: Simplify right side
    145,543,650.80x = 9,455,618,295,877,220
  5. Step 5: Solve for x
    x = 9,455,618,295,877,220/145,543,650.80
  6. Step 6: Final answer
    x = 64,967,576.70

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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.