Home / 201,488,857.20-302,905,132.20-171,927,615.60

Finding the Fourth Proportional to 201,488,857.20, 302,905,132.20 and 171,927,615.60

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Solution

The fourth proportional to 201,488,857.20, 302,905,132.20 and 171,927,615.60 is: 258,464,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,488,857.20 : 302,905,132.20 = 171,927,615.60 : x
  2. Step 2: Convert to fraction form
    201,488,857.20/302,905,132.20 = 171,927,615.60/x
  3. Step 3: Cross multiply
    201,488,857.20x = 302,905,132.20 × 171,927,615.60
  4. Step 4: Simplify right side
    201,488,857.20x = 52,077,757,132,148,776
  5. Step 5: Solve for x
    x = 52,077,757,132,148,776/201,488,857.20
  6. Step 6: Final answer
    x = 258,464,700.51

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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.