Home / 145,745,110.80-218,628,968.40-48,701,165.40

Finding the Fourth Proportional to 145,745,110.80, 218,628,968.40 and 48,701,165.40

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Solution

The fourth proportional to 145,745,110.80, 218,628,968.40 and 48,701,165.40 is: 73,055,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745,110.80 : 218,628,968.40 = 48,701,165.40 : x
  2. Step 2: Convert to fraction form
    145,745,110.80/218,628,968.40 = 48,701,165.40/x
  3. Step 3: Cross multiply
    145,745,110.80x = 218,628,968.40 × 48,701,165.40
  4. Step 4: Simplify right side
    145,745,110.80x = 10,647,485,551,279,774
  5. Step 5: Solve for x
    x = 10,647,485,551,279,774/145,745,110.80
  6. Step 6: Final answer
    x = 73,055,524.76

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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.