Home / 135,724,415.60-203,577,292.20-43,606,809.20

Finding the Fourth Proportional to 135,724,415.60, 203,577,292.20 and 43,606,809.20

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Solution

The fourth proportional to 135,724,415.60, 203,577,292.20 and 43,606,809.20 is: 65,407,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,724,415.60 : 203,577,292.20 = 43,606,809.20 : x
  2. Step 2: Convert to fraction form
    135,724,415.60/203,577,292.20 = 43,606,809.20/x
  3. Step 3: Cross multiply
    135,724,415.60x = 203,577,292.20 × 43,606,809.20
  4. Step 4: Simplify right side
    135,724,415.60x = 8,877,356,138,418,048
  5. Step 5: Solve for x
    x = 8,877,356,138,418,048/135,724,415.60
  6. Step 6: Final answer
    x = 65,407,215.78

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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.