Home / 72,652,670.75-109,030,074.37-65,706,342.43

Finding the Fourth Proportional to 72,652,670.75, 109,030,074.37 and 65,706,342.43

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Solution

The fourth proportional to 72,652,670.75, 109,030,074.37 and 65,706,342.43 is: 98,605,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,652,670.75 : 109,030,074.37 = 65,706,342.43 : x
  2. Step 2: Convert to fraction form
    72,652,670.75/109,030,074.37 = 65,706,342.43/x
  3. Step 3: Cross multiply
    72,652,670.75x = 109,030,074.37 × 65,706,342.43
  4. Step 4: Simplify right side
    72,652,670.75x = 7,163,967,401,667,629
  5. Step 5: Solve for x
    x = 7,163,967,401,667,629/72,652,670.75
  6. Step 6: Final answer
    x = 98,605,699.26

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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.