Home / 86,554,027.80-129,831,041.70-54,305,400.60

Finding the Fourth Proportional to 86,554,027.80, 129,831,041.70 and 54,305,400.60

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Solution

The fourth proportional to 86,554,027.80, 129,831,041.70 and 54,305,400.60 is: 81,458,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,554,027.80 : 129,831,041.70 = 54,305,400.60 : x
  2. Step 2: Convert to fraction form
    86,554,027.80/129,831,041.70 = 54,305,400.60/x
  3. Step 3: Cross multiply
    86,554,027.80x = 129,831,041.70 × 54,305,400.60
  4. Step 4: Simplify right side
    86,554,027.80x = 7,050,526,729,833,805
  5. Step 5: Solve for x
    x = 7,050,526,729,833,805/86,554,027.80
  6. Step 6: Final answer
    x = 81,458,100.90

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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.