Home / 30,003,079.80-45,004,619.70-28,743,367.80

Finding the Fourth Proportional to 30,003,079.80, 45,004,619.70 and 28,743,367.80

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Solution

The fourth proportional to 30,003,079.80, 45,004,619.70 and 28,743,367.80 is: 43,115,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003,079.80 : 45,004,619.70 = 28,743,367.80 : x
  2. Step 2: Convert to fraction form
    30,003,079.80/45,004,619.70 = 28,743,367.80/x
  3. Step 3: Cross multiply
    30,003,079.80x = 45,004,619.70 × 28,743,367.80
  4. Step 4: Simplify right side
    30,003,079.80x = 1,293,584,336,736,225.75
  5. Step 5: Solve for x
    x = 1,293,584,336,736,225.75/30,003,079.80
  6. Step 6: Final answer
    x = 43,115,051.70

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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.