Home / 65,610,133.80-98,415,200.70-40,100,965.80

Finding the Fourth Proportional to 65,610,133.80, 98,415,200.70 and 40,100,965.80

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Solution

The fourth proportional to 65,610,133.80, 98,415,200.70 and 40,100,965.80 is: 60,151,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,133.80 : 98,415,200.70 = 40,100,965.80 : x
  2. Step 2: Convert to fraction form
    65,610,133.80/98,415,200.70 = 40,100,965.80/x
  3. Step 3: Cross multiply
    65,610,133.80x = 98,415,200.70 × 40,100,965.80
  4. Step 4: Simplify right side
    65,610,133.80x = 3,946,544,597,470,836
  5. Step 5: Solve for x
    x = 3,946,544,597,470,836/65,610,133.80
  6. Step 6: Final answer
    x = 60,151,448.70

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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.