Home / 221,280,169.80-332,172,197.10-130,454,934.60

Finding the Fourth Proportional to 221,280,169.80, 332,172,197.10 and 130,454,934.60

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Solution

The fourth proportional to 221,280,169.80, 332,172,197.10 and 130,454,934.60 is: 195,830,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,280,169.80 : 332,172,197.10 = 130,454,934.60 : x
  2. Step 2: Convert to fraction form
    221,280,169.80/332,172,197.10 = 130,454,934.60/x
  3. Step 3: Cross multiply
    221,280,169.80x = 332,172,197.10 × 130,454,934.60
  4. Step 4: Simplify right side
    221,280,169.80x = 43,333,502,248,618,808
  5. Step 5: Solve for x
    x = 43,333,502,248,618,808/221,280,169.80
  6. Step 6: Final answer
    x = 195,830,933.64

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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.