Home / 77,978,567.46-117,026,683.17-53,327,593.25

Finding the Fourth Proportional to 77,978,567.46, 117,026,683.17 and 53,327,593.25

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Solution

The fourth proportional to 77,978,567.46, 117,026,683.17 and 53,327,593.25 is: 80,031,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,978,567.46 : 117,026,683.17 = 53,327,593.25 : x
  2. Step 2: Convert to fraction form
    77,978,567.46/117,026,683.17 = 53,327,593.25/x
  3. Step 3: Cross multiply
    77,978,567.46x = 117,026,683.17 × 53,327,593.25
  4. Step 4: Simplify right side
    77,978,567.46x = 6,240,751,359,140,119
  5. Step 5: Solve for x
    x = 6,240,751,359,140,119/77,978,567.46
  6. Step 6: Final answer
    x = 80,031,623.59

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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.