Home / 71,457,246.40-107,185,869.60-41,224,158.40

Finding the Fourth Proportional to 71,457,246.40, 107,185,869.60 and 41,224,158.40

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Solution

The fourth proportional to 71,457,246.40, 107,185,869.60 and 41,224,158.40 is: 61,836,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,457,246.40 : 107,185,869.60 = 41,224,158.40 : x
  2. Step 2: Convert to fraction form
    71,457,246.40/107,185,869.60 = 41,224,158.40/x
  3. Step 3: Cross multiply
    71,457,246.40x = 107,185,869.60 × 41,224,158.40
  4. Step 4: Simplify right side
    71,457,246.40x = 4,418,647,266,632,144
  5. Step 5: Solve for x
    x = 4,418,647,266,632,144/71,457,246.40
  6. Step 6: Final answer
    x = 61,836,237.60

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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.