Home / 72,066,534.85-108,099,802.28-71,394,688.45

Finding the Fourth Proportional to 72,066,534.85, 108,099,802.28 and 71,394,688.45

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Solution

The fourth proportional to 72,066,534.85, 108,099,802.28 and 71,394,688.45 is: 107,092,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,066,534.85 : 108,099,802.28 = 71,394,688.45 : x
  2. Step 2: Convert to fraction form
    72,066,534.85/108,099,802.28 = 71,394,688.45/x
  3. Step 3: Cross multiply
    72,066,534.85x = 108,099,802.28 × 71,394,688.45
  4. Step 4: Simplify right side
    72,066,534.85x = 7,717,751,704,930,227
  5. Step 5: Solve for x
    x = 7,717,751,704,930,227/72,066,534.85
  6. Step 6: Final answer
    x = 107,092,032.68

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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.