Home / 145,745,187.30-218,629,083.15-48,701,241.90

Finding the Fourth Proportional to 145,745,187.30, 218,629,083.15 and 48,701,241.90

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Solution

The fourth proportional to 145,745,187.30, 218,629,083.15 and 48,701,241.90 is: 73,055,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745,187.30 : 218,629,083.15 = 48,701,241.90 : x
  2. Step 2: Convert to fraction form
    145,745,187.30/218,629,083.15 = 48,701,241.90/x
  3. Step 3: Cross multiply
    145,745,187.30x = 218,629,083.15 × 48,701,241.90
  4. Step 4: Simplify right side
    145,745,187.30x = 10,647,507,864,863,364
  5. Step 5: Solve for x
    x = 10,647,507,864,863,364/145,745,187.30
  6. Step 6: Final answer
    x = 73,055,639.52

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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.