Home / 71,090,999.40-106,636,499.10-40,373,709.60

Finding the Fourth Proportional to 71,090,999.40, 106,636,499.10 and 40,373,709.60

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Solution

The fourth proportional to 71,090,999.40, 106,636,499.10 and 40,373,709.60 is: 60,560,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090,999.40 : 106,636,499.10 = 40,373,709.60 : x
  2. Step 2: Convert to fraction form
    71,090,999.40/106,636,499.10 = 40,373,709.60/x
  3. Step 3: Cross multiply
    71,090,999.40x = 106,636,499.10 × 40,373,709.60
  4. Step 4: Simplify right side
    71,090,999.40x = 4,305,311,047,424,061.50
  5. Step 5: Solve for x
    x = 4,305,311,047,424,061.50/71,090,999.40
  6. Step 6: Final answer
    x = 60,560,564.40

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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.