Home / 217,739,200.80-326,608,801.20-188,177,959.20

Finding the Fourth Proportional to 217,739,200.80, 326,608,801.20 and 188,177,959.20

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Solution

The fourth proportional to 217,739,200.80, 326,608,801.20 and 188,177,959.20 is: 282,266,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,739,200.80 : 326,608,801.20 = 188,177,959.20 : x
  2. Step 2: Convert to fraction form
    217,739,200.80/326,608,801.20 = 188,177,959.20/x
  3. Step 3: Cross multiply
    217,739,200.80x = 326,608,801.20 × 188,177,959.20
  4. Step 4: Simplify right side
    217,739,200.80x = 61,460,577,666,574,504
  5. Step 5: Solve for x
    x = 61,460,577,666,574,504/217,739,200.80
  6. Step 6: Final answer
    x = 282,266,938.80

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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.