Home / 354,405,261.60-531,448,460.10-135,983,010.60

Finding the Fourth Proportional to 354,405,261.60, 531,448,460.10 and 135,983,010.60

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Solution

The fourth proportional to 354,405,261.60, 531,448,460.10 and 135,983,010.60 is: 203,913,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,405,261.60 : 531,448,460.10 = 135,983,010.60 : x
  2. Step 2: Convert to fraction form
    354,405,261.60/531,448,460.10 = 135,983,010.60/x
  3. Step 3: Cross multiply
    354,405,261.60x = 531,448,460.10 × 135,983,010.60
  4. Step 4: Simplify right side
    354,405,261.60x = 72,267,961,583,131,984
  5. Step 5: Solve for x
    x = 72,267,961,583,131,984/354,405,261.60
  6. Step 6: Final answer
    x = 203,913,342.76

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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.