Home / 253,984,203.28-381,014,161.86-90,208,200.52

Finding the Fourth Proportional to 253,984,203.28, 381,014,161.86 and 90,208,200.52

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Solution

The fourth proportional to 253,984,203.28, 381,014,161.86 and 90,208,200.52 is: 135,325,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,984,203.28 : 381,014,161.86 = 90,208,200.52 : x
  2. Step 2: Convert to fraction form
    253,984,203.28/381,014,161.86 = 90,208,200.52/x
  3. Step 3: Cross multiply
    253,984,203.28x = 381,014,161.86 × 90,208,200.52
  4. Step 4: Simplify right side
    253,984,203.28x = 34,370,601,914,026,616
  5. Step 5: Solve for x
    x = 34,370,601,914,026,616/253,984,203.28
  6. Step 6: Final answer
    x = 135,325,746.52

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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.