Home / 55,354,790.73-83,034,455.33-18,988,190.60

Finding the Fourth Proportional to 55,354,790.73, 83,034,455.33 and 18,988,190.60

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Solution

The fourth proportional to 55,354,790.73, 83,034,455.33 and 18,988,190.60 is: 28,483,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354,790.73 : 83,034,455.33 = 18,988,190.60 : x
  2. Step 2: Convert to fraction form
    55,354,790.73/83,034,455.33 = 18,988,190.60/x
  3. Step 3: Cross multiply
    55,354,790.73x = 83,034,455.33 × 18,988,190.60
  4. Step 4: Simplify right side
    55,354,790.73x = 1,576,674,064,426,050.25
  5. Step 5: Solve for x
    x = 1,576,674,064,426,050.25/55,354,790.73
  6. Step 6: Final answer
    x = 28,483,064.32

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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.