Home / 145,634,185.37-218,449,780.95-84,184,243.46

Finding the Fourth Proportional to 145,634,185.37, 218,449,780.95 and 84,184,243.46

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Solution

The fourth proportional to 145,634,185.37, 218,449,780.95 and 84,184,243.46 is: 126,275,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,185.37 : 218,449,780.95 = 84,184,243.46 : x
  2. Step 2: Convert to fraction form
    145,634,185.37/218,449,780.95 = 84,184,243.46/x
  3. Step 3: Cross multiply
    145,634,185.37x = 218,449,780.95 × 84,184,243.46
  4. Step 4: Simplify right side
    145,634,185.37x = 18,390,029,543,321,100
  5. Step 5: Solve for x
    x = 18,390,029,543,321,100/145,634,185.37
  6. Step 6: Final answer
    x = 126,275,499.78

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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.