Home / 103,589,079.60-155,383,619.40-69,526,743.60

Finding the Fourth Proportional to 103,589,079.60, 155,383,619.40 and 69,526,743.60

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Solution

The fourth proportional to 103,589,079.60, 155,383,619.40 and 69,526,743.60 is: 104,290,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,079.60 : 155,383,619.40 = 69,526,743.60 : x
  2. Step 2: Convert to fraction form
    103,589,079.60/155,383,619.40 = 69,526,743.60/x
  3. Step 3: Cross multiply
    103,589,079.60x = 155,383,619.40 × 69,526,743.60
  4. Step 4: Simplify right side
    103,589,079.60x = 10,803,317,065,663,786
  5. Step 5: Solve for x
    x = 10,803,317,065,663,786/103,589,079.60
  6. Step 6: Final answer
    x = 104,290,115.40

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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.