Home / 202,208,478.80-303,312,718.20-133,333,725.20

Finding the Fourth Proportional to 202,208,478.80, 303,312,718.20 and 133,333,725.20

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Solution

The fourth proportional to 202,208,478.80, 303,312,718.20 and 133,333,725.20 is: 200,000,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,208,478.80 : 303,312,718.20 = 133,333,725.20 : x
  2. Step 2: Convert to fraction form
    202,208,478.80/303,312,718.20 = 133,333,725.20/x
  3. Step 3: Cross multiply
    202,208,478.80x = 303,312,718.20 × 133,333,725.20
  4. Step 4: Simplify right side
    202,208,478.80x = 40,441,814,618,143,840
  5. Step 5: Solve for x
    x = 40,441,814,618,143,840/202,208,478.80
  6. Step 6: Final answer
    x = 200,000,587.80

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1.5x scale

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.