Home / 110,660,416.60-166,019,655.30-42,505,331.80

Finding the Fourth Proportional to 110,660,416.60, 166,019,655.30 and 42,505,331.80

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Solution

The fourth proportional to 110,660,416.60, 166,019,655.30 and 42,505,331.80 is: 63,769,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,660,416.60 : 166,019,655.30 = 42,505,331.80 : x
  2. Step 2: Convert to fraction form
    110,660,416.60/166,019,655.30 = 42,505,331.80/x
  3. Step 3: Cross multiply
    110,660,416.60x = 166,019,655.30 × 42,505,331.80
  4. Step 4: Simplify right side
    110,660,416.60x = 7,056,720,533,848,129
  5. Step 5: Solve for x
    x = 7,056,720,533,848,129/110,660,416.60
  6. Step 6: Final answer
    x = 63,769,148.45

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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.