Home / 221,280,025.80-332,171,981.10-130,454,790.60

Finding the Fourth Proportional to 221,280,025.80, 332,171,981.10 and 130,454,790.60

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Solution

The fourth proportional to 221,280,025.80, 332,171,981.10 and 130,454,790.60 is: 195,830,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,280,025.80 : 332,171,981.10 = 130,454,790.60 : x
  2. Step 2: Convert to fraction form
    221,280,025.80/332,171,981.10 = 130,454,790.60/x
  3. Step 3: Cross multiply
    221,280,025.80x = 332,171,981.10 × 130,454,790.60
  4. Step 4: Simplify right side
    221,280,025.80x = 43,333,426,237,587,656
  5. Step 5: Solve for x
    x = 43,333,426,237,587,656/221,280,025.80
  6. Step 6: Final answer
    x = 195,830,717.58

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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.