Home / 72,433,805.80-108,613,383.90-26,972,199.40

Finding the Fourth Proportional to 72,433,805.80, 108,613,383.90 and 26,972,199.40

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Solution

The fourth proportional to 72,433,805.80, 108,613,383.90 and 26,972,199.40 is: 40,444,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,805.80 : 108,613,383.90 = 26,972,199.40 : x
  2. Step 2: Convert to fraction form
    72,433,805.80/108,613,383.90 = 26,972,199.40/x
  3. Step 3: Cross multiply
    72,433,805.80x = 108,613,383.90 × 26,972,199.40
  4. Step 4: Simplify right side
    72,433,805.80x = 2,929,541,848,059,549.50
  5. Step 5: Solve for x
    x = 2,929,541,848,059,549.50/72,433,805.80
  6. Step 6: Final answer
    x = 40,444,400.45

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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.