Home / 130,336,665.40-195,713,894.10-103,632,383.80

Finding the Fourth Proportional to 130,336,665.40, 195,713,894.10 and 103,632,383.80

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Solution

The fourth proportional to 130,336,665.40, 195,713,894.10 and 103,632,383.80 is: 155,614,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,665.40 : 195,713,894.10 = 103,632,383.80 : x
  2. Step 2: Convert to fraction form
    130,336,665.40/195,713,894.10 = 103,632,383.80/x
  3. Step 3: Cross multiply
    130,336,665.40x = 195,713,894.10 × 103,632,383.80
  4. Step 4: Simplify right side
    130,336,665.40x = 20,282,297,388,363,756
  5. Step 5: Solve for x
    x = 20,282,297,388,363,756/130,336,665.40
  6. Step 6: Final answer
    x = 155,614,671.64

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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.