Home / 124,416,110.40-186,624,165.60-79,010,491.20

Finding the Fourth Proportional to 124,416,110.40, 186,624,165.60 and 79,010,491.20

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Solution

The fourth proportional to 124,416,110.40, 186,624,165.60 and 79,010,491.20 is: 118,515,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,110.40 : 186,624,165.60 = 79,010,491.20 : x
  2. Step 2: Convert to fraction form
    124,416,110.40/186,624,165.60 = 79,010,491.20/x
  3. Step 3: Cross multiply
    124,416,110.40x = 186,624,165.60 × 79,010,491.20
  4. Step 4: Simplify right side
    124,416,110.40x = 14,745,266,993,846,142
  5. Step 5: Solve for x
    x = 14,745,266,993,846,142/124,416,110.40
  6. Step 6: Final answer
    x = 118,515,736.80

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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.