Home / 74,112,052.20-111,168,078.30-69,955,002.60

Finding the Fourth Proportional to 74,112,052.20, 111,168,078.30 and 69,955,002.60

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Solution

The fourth proportional to 74,112,052.20, 111,168,078.30 and 69,955,002.60 is: 104,932,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112,052.20 : 111,168,078.30 = 69,955,002.60 : x
  2. Step 2: Convert to fraction form
    74,112,052.20/111,168,078.30 = 69,955,002.60/x
  3. Step 3: Cross multiply
    74,112,052.20x = 111,168,078.30 × 69,955,002.60
  4. Step 4: Simplify right side
    74,112,052.20x = 7,776,763,206,513,503
  5. Step 5: Solve for x
    x = 7,776,763,206,513,503/74,112,052.20
  6. Step 6: Final answer
    x = 104,932,503.90

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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.