Home / 124,416,129.70-186,624,194.55-112,511,851.30

Finding the Fourth Proportional to 124,416,129.70, 186,624,194.55 and 112,511,851.30

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Solution

The fourth proportional to 124,416,129.70, 186,624,194.55 and 112,511,851.30 is: 168,767,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,129.70 : 186,624,194.55 = 112,511,851.30 : x
  2. Step 2: Convert to fraction form
    124,416,129.70/186,624,194.55 = 112,511,851.30/x
  3. Step 3: Cross multiply
    124,416,129.70x = 186,624,194.55 × 112,511,851.30
  4. Step 4: Simplify right side
    124,416,129.70x = 20,997,433,626,191,872
  5. Step 5: Solve for x
    x = 20,997,433,626,191,872/124,416,129.70
  6. Step 6: Final answer
    x = 168,767,776.95

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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.