Home / 145,745,107.80-218,628,963.90-48,701,162.40

Finding the Fourth Proportional to 145,745,107.80, 218,628,963.90 and 48,701,162.40

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Solution

The fourth proportional to 145,745,107.80, 218,628,963.90 and 48,701,162.40 is: 73,055,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,745,107.80 : 218,628,963.90 = 48,701,162.40 : x
  2. Step 2: Convert to fraction form
    145,745,107.80/218,628,963.90 = 48,701,162.40/x
  3. Step 3: Cross multiply
    145,745,107.80x = 218,628,963.90 × 48,701,162.40
  4. Step 4: Simplify right side
    145,745,107.80x = 10,647,484,676,237,638
  5. Step 5: Solve for x
    x = 10,647,484,676,237,638/145,745,107.80
  6. Step 6: Final answer
    x = 73,055,520.26

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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.