Home / 354,300,099.60-531,450,149.40-208,584,080.40

Finding the Fourth Proportional to 354,300,099.60, 531,450,149.40 and 208,584,080.40

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Solution

The fourth proportional to 354,300,099.60, 531,450,149.40 and 208,584,080.40 is: 312,876,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,300,099.60 : 531,450,149.40 = 208,584,080.40 : x
  2. Step 2: Convert to fraction form
    354,300,099.60/531,450,149.40 = 208,584,080.40/x
  3. Step 3: Cross multiply
    354,300,099.60x = 531,450,149.40 × 208,584,080.40
  4. Step 4: Simplify right side
    354,300,099.60x = 110,852,040,691,041,616
  5. Step 5: Solve for x
    x = 110,852,040,691,041,616/354,300,099.60
  6. Step 6: Final answer
    x = 312,876,120.60

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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.