Home / 126,848,019.88-190,300,373.34-40,591,602.64

Finding the Fourth Proportional to 126,848,019.88, 190,300,373.34 and 40,591,602.64

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Solution

The fourth proportional to 126,848,019.88, 190,300,373.34 and 40,591,602.64 is: 60,896,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,848,019.88 : 190,300,373.34 = 40,591,602.64 : x
  2. Step 2: Convert to fraction form
    126,848,019.88/190,300,373.34 = 40,591,602.64/x
  3. Step 3: Cross multiply
    126,848,019.88x = 190,300,373.34 × 40,591,602.64
  4. Step 4: Simplify right side
    126,848,019.88x = 7,724,597,136,860,930
  5. Step 5: Solve for x
    x = 7,724,597,136,860,930/126,848,019.88
  6. Step 6: Final answer
    x = 60,896,473.94

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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.