Home / 42,738,745.96-64,108,611.42-15,447,111.40

Finding the Fourth Proportional to 42,738,745.96, 64,108,611.42 and 15,447,111.40

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Solution

The fourth proportional to 42,738,745.96, 64,108,611.42 and 15,447,111.40 is: 23,170,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,738,745.96 : 64,108,611.42 = 15,447,111.40 : x
  2. Step 2: Convert to fraction form
    42,738,745.96/64,108,611.42 = 15,447,111.40/x
  3. Step 3: Cross multiply
    42,738,745.96x = 64,108,611.42 × 15,447,111.40
  4. Step 4: Simplify right side
    42,738,745.96x = 990,292,862,304,052.25
  5. Step 5: Solve for x
    x = 990,292,862,304,052.25/42,738,745.96
  6. Step 6: Final answer
    x = 23,170,845.10

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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.