Home / 77,772,849.60-116,659,274.40-73,993,713.60

Finding the Fourth Proportional to 77,772,849.60, 116,659,274.40 and 73,993,713.60

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Solution

The fourth proportional to 77,772,849.60, 116,659,274.40 and 73,993,713.60 is: 110,990,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,772,849.60 : 116,659,274.40 = 73,993,713.60 : x
  2. Step 2: Convert to fraction form
    77,772,849.60/116,659,274.40 = 73,993,713.60/x
  3. Step 3: Cross multiply
    77,772,849.60x = 116,659,274.40 × 73,993,713.60
  4. Step 4: Simplify right side
    77,772,849.60x = 8,632,052,938,737,412
  5. Step 5: Solve for x
    x = 8,632,052,938,737,412/77,772,849.60
  6. Step 6: Final answer
    x = 110,990,570.40

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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.