Home / 218,911,834.40-328,367,751.60-201,055,416.80

Finding the Fourth Proportional to 218,911,834.40, 328,367,751.60 and 201,055,416.80

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Solution

The fourth proportional to 218,911,834.40, 328,367,751.60 and 201,055,416.80 is: 301,583,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,911,834.40 : 328,367,751.60 = 201,055,416.80 : x
  2. Step 2: Convert to fraction form
    218,911,834.40/328,367,751.60 = 201,055,416.80/x
  3. Step 3: Cross multiply
    218,911,834.40x = 328,367,751.60 × 201,055,416.80
  4. Step 4: Simplify right side
    218,911,834.40x = 66,020,115,161,616,872
  5. Step 5: Solve for x
    x = 66,020,115,161,616,872/218,911,834.40
  6. Step 6: Final answer
    x = 301,583,125.20

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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.