Home / 75,713,643.80-113,570,465.70-45,405,906.20

Finding the Fourth Proportional to 75,713,643.80, 113,570,465.70 and 45,405,906.20

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Solution

The fourth proportional to 75,713,643.80, 113,570,465.70 and 45,405,906.20 is: 68,108,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,713,643.80 : 113,570,465.70 = 45,405,906.20 : x
  2. Step 2: Convert to fraction form
    75,713,643.80/113,570,465.70 = 45,405,906.20/x
  3. Step 3: Cross multiply
    75,713,643.80x = 113,570,465.70 × 45,405,906.20
  4. Step 4: Simplify right side
    75,713,643.80x = 5,156,769,912,664,518
  5. Step 5: Solve for x
    x = 5,156,769,912,664,518/75,713,643.80
  6. Step 6: Final answer
    x = 68,108,859.30

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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.