Home / 79,661,087.48-109,903,139.75-48,276,495.45

Finding the Fourth Proportional to 79,661,087.48, 109,903,139.75 and 48,276,495.45

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Solution

The fourth proportional to 79,661,087.48, 109,903,139.75 and 48,276,495.45 is: 66,603,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,661,087.48 : 109,903,139.75 = 48,276,495.45 : x
  2. Step 2: Convert to fraction form
    79,661,087.48/109,903,139.75 = 48,276,495.45/x
  3. Step 3: Cross multiply
    79,661,087.48x = 109,903,139.75 × 48,276,495.45
  4. Step 4: Simplify right side
    79,661,087.48x = 5,305,738,426,202,281
  5. Step 5: Solve for x
    x = 5,305,738,426,202,281/79,661,087.48
  6. Step 6: Final answer
    x = 66,603,891.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.