Home / 77,840,071.75-107,401,477.89-46,472,015.80

Finding the Fourth Proportional to 77,840,071.75, 107,401,477.89 and 46,472,015.80

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Solution

The fourth proportional to 77,840,071.75, 107,401,477.89 and 46,472,015.80 is: 64,120,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,840,071.75 : 107,401,477.89 = 46,472,015.80 : x
  2. Step 2: Convert to fraction form
    77,840,071.75/107,401,477.89 = 46,472,015.80/x
  3. Step 3: Cross multiply
    77,840,071.75x = 107,401,477.89 × 46,472,015.80
  4. Step 4: Simplify right side
    77,840,071.75x = 4,991,163,177,447,430
  5. Step 5: Solve for x
    x = 4,991,163,177,447,430/77,840,071.75
  6. Step 6: Final answer
    x = 64,120,742.25

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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.