Home / 201,449,464.40-302,174,196.60-140,227,461.20

Finding the Fourth Proportional to 201,449,464.40, 302,174,196.60 and 140,227,461.20

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Solution

The fourth proportional to 201,449,464.40, 302,174,196.60 and 140,227,461.20 is: 210,341,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,464.40 : 302,174,196.60 = 140,227,461.20 : x
  2. Step 2: Convert to fraction form
    201,449,464.40/302,174,196.60 = 140,227,461.20/x
  3. Step 3: Cross multiply
    201,449,464.40x = 302,174,196.60 × 140,227,461.20
  4. Step 4: Simplify right side
    201,449,464.40x = 42,373,120,429,367,672
  5. Step 5: Solve for x
    x = 42,373,120,429,367,672/201,449,464.40
  6. Step 6: Final answer
    x = 210,341,191.80

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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.