Home / 201,466,021.20-302,199,031.80-55,899,301.20

Finding the Fourth Proportional to 201,466,021.20, 302,199,031.80 and 55,899,301.20

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Solution

The fourth proportional to 201,466,021.20, 302,199,031.80 and 55,899,301.20 is: 83,848,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,466,021.20 : 302,199,031.80 = 55,899,301.20 : x
  2. Step 2: Convert to fraction form
    201,466,021.20/302,199,031.80 = 55,899,301.20/x
  3. Step 3: Cross multiply
    201,466,021.20x = 302,199,031.80 × 55,899,301.20
  4. Step 4: Simplify right side
    201,466,021.20x = 16,892,714,700,936,580
  5. Step 5: Solve for x
    x = 16,892,714,700,936,580/201,466,021.20
  6. Step 6: Final answer
    x = 83,848,951.80

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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.