Home / 201,449,462.40-302,174,193.60-140,227,459.20

Finding the Fourth Proportional to 201,449,462.40, 302,174,193.60 and 140,227,459.20

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Solution

The fourth proportional to 201,449,462.40, 302,174,193.60 and 140,227,459.20 is: 210,341,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,462.40 : 302,174,193.60 = 140,227,459.20 : x
  2. Step 2: Convert to fraction form
    201,449,462.40/302,174,193.60 = 140,227,459.20/x
  3. Step 3: Cross multiply
    201,449,462.40x = 302,174,193.60 × 140,227,459.20
  4. Step 4: Simplify right side
    201,449,462.40x = 42,373,119,404,336,904
  5. Step 5: Solve for x
    x = 42,373,119,404,336,904/201,449,462.40
  6. Step 6: Final answer
    x = 210,341,188.80

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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.