Home / 43,688,311.40-65,556,086.70-19,430,982.20

Finding the Fourth Proportional to 43,688,311.40, 65,556,086.70 and 19,430,982.20

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Solution

The fourth proportional to 43,688,311.40, 65,556,086.70 and 19,430,982.20 is: 29,156,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688,311.40 : 65,556,086.70 = 19,430,982.20 : x
  2. Step 2: Convert to fraction form
    43,688,311.40/65,556,086.70 = 19,430,982.20/x
  3. Step 3: Cross multiply
    43,688,311.40x = 65,556,086.70 × 19,430,982.20
  4. Step 4: Simplify right side
    43,688,311.40x = 1,273,819,153,769,356.75
  5. Step 5: Solve for x
    x = 1,273,819,153,769,356.75/43,688,311.40
  6. Step 6: Final answer
    x = 29,156,978.44

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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.