Home / 124,420,998.40-186,631,497.60-111,879,865.60

Finding the Fourth Proportional to 124,420,998.40, 186,631,497.60 and 111,879,865.60

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Solution

The fourth proportional to 124,420,998.40, 186,631,497.60 and 111,879,865.60 is: 167,819,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420,998.40 : 186,631,497.60 = 111,879,865.60 : x
  2. Step 2: Convert to fraction form
    124,420,998.40/186,631,497.60 = 111,879,865.60/x
  3. Step 3: Cross multiply
    124,420,998.40x = 186,631,497.60 × 111,879,865.60
  4. Step 4: Simplify right side
    124,420,998.40x = 20,880,306,868,214,720
  5. Step 5: Solve for x
    x = 20,880,306,868,214,720/124,420,998.40
  6. Step 6: Final answer
    x = 167,819,798.40

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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.