Home / 86,988,845.67-120,041,534.16-47,830,348.23

Finding the Fourth Proportional to 86,988,845.67, 120,041,534.16 and 47,830,348.23

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Solution

The fourth proportional to 86,988,845.67, 120,041,534.16 and 47,830,348.23 is: 66,004,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,988,845.67 : 120,041,534.16 = 47,830,348.23 : x
  2. Step 2: Convert to fraction form
    86,988,845.67/120,041,534.16 = 47,830,348.23/x
  3. Step 3: Cross multiply
    86,988,845.67x = 120,041,534.16 × 47,830,348.23
  4. Step 4: Simplify right side
    86,988,845.67x = 5,741,628,380,936,240
  5. Step 5: Solve for x
    x = 5,741,628,380,936,240/86,988,845.67
  6. Step 6: Final answer
    x = 66,004,190.96

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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.