Home / 49,975,323.75-74,989,126.92-20,453,428.50

Finding the Fourth Proportional to 49,975,323.75, 74,989,126.92 and 20,453,428.50

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Solution

The fourth proportional to 49,975,323.75, 74,989,126.92 and 20,453,428.50 is: 30,690,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,975,323.75 : 74,989,126.92 = 20,453,428.50 : x
  2. Step 2: Convert to fraction form
    49,975,323.75/74,989,126.92 = 20,453,428.50/x
  3. Step 3: Cross multiply
    49,975,323.75x = 74,989,126.92 × 20,453,428.50
  4. Step 4: Simplify right side
    49,975,323.75x = 1,533,784,745,735,645.25
  5. Step 5: Solve for x
    x = 1,533,784,745,735,645.25/49,975,323.75
  6. Step 6: Final answer
    x = 30,690,841.61

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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.