Home / 298,744,668.40-448,117,002.60-201,172,100.80

Finding the Fourth Proportional to 298,744,668.40, 448,117,002.60 and 201,172,100.80

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Solution

The fourth proportional to 298,744,668.40, 448,117,002.60 and 201,172,100.80 is: 301,758,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,744,668.40 : 448,117,002.60 = 201,172,100.80 : x
  2. Step 2: Convert to fraction form
    298,744,668.40/448,117,002.60 = 201,172,100.80/x
  3. Step 3: Cross multiply
    298,744,668.40x = 448,117,002.60 × 201,172,100.80
  4. Step 4: Simplify right side
    298,744,668.40x = 90,148,638,817,241,072
  5. Step 5: Solve for x
    x = 90,148,638,817,241,072/298,744,668.40
  6. Step 6: Final answer
    x = 301,758,151.20

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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.