Home / 72,732,201.96-100,372,566.60-39,694,570.08

Finding the Fourth Proportional to 72,732,201.96, 100,372,566.60 and 39,694,570.08

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Solution

The fourth proportional to 72,732,201.96, 100,372,566.60 and 39,694,570.08 is: 54,779,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,732,201.96 : 100,372,566.60 = 39,694,570.08 : x
  2. Step 2: Convert to fraction form
    72,732,201.96/100,372,566.60 = 39,694,570.08/x
  3. Step 3: Cross multiply
    72,732,201.96x = 100,372,566.60 × 39,694,570.08
  4. Step 4: Simplify right side
    72,732,201.96x = 3,984,245,879,013,167
  5. Step 5: Solve for x
    x = 3,984,245,879,013,167/72,732,201.96
  6. Step 6: Final answer
    x = 54,779,668.04

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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.