Home / 164,989,289.70-247,483,934.55-74,290,025.70

Finding the Fourth Proportional to 164,989,289.70, 247,483,934.55 and 74,290,025.70

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Solution

The fourth proportional to 164,989,289.70, 247,483,934.55 and 74,290,025.70 is: 111,435,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,289.70 : 247,483,934.55 = 74,290,025.70 : x
  2. Step 2: Convert to fraction form
    164,989,289.70/247,483,934.55 = 74,290,025.70/x
  3. Step 3: Cross multiply
    164,989,289.70x = 247,483,934.55 × 74,290,025.70
  4. Step 4: Simplify right side
    164,989,289.70x = 18,385,587,858,056,620
  5. Step 5: Solve for x
    x = 18,385,587,858,056,620/164,989,289.70
  6. Step 6: Final answer
    x = 111,435,038.55

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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.