Home / 43,124,907.70-64,655,455.65-20,379,232.90

Finding the Fourth Proportional to 43,124,907.70, 64,655,455.65 and 20,379,232.90

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Solution

The fourth proportional to 43,124,907.70, 64,655,455.65 and 20,379,232.90 is: 30,553,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124,907.70 : 64,655,455.65 = 20,379,232.90 : x
  2. Step 2: Convert to fraction form
    43,124,907.70/64,655,455.65 = 20,379,232.90/x
  3. Step 3: Cross multiply
    43,124,907.70x = 64,655,455.65 × 20,379,232.90
  4. Step 4: Simplify right side
    43,124,907.70x = 1,317,628,588,946,970.75
  5. Step 5: Solve for x
    x = 1,317,628,588,946,970.75/43,124,907.70
  6. Step 6: Final answer
    x = 30,553,771.80

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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.