Home / 324,771,181.60-487,156,772.40-221,459,051.20

Finding the Fourth Proportional to 324,771,181.60, 487,156,772.40 and 221,459,051.20

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Solution

The fourth proportional to 324,771,181.60, 487,156,772.40 and 221,459,051.20 is: 332,188,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,181.60 : 487,156,772.40 = 221,459,051.20 : x
  2. Step 2: Convert to fraction form
    324,771,181.60/487,156,772.40 = 221,459,051.20/x
  3. Step 3: Cross multiply
    324,771,181.60x = 487,156,772.40 × 221,459,051.20
  4. Step 4: Simplify right side
    324,771,181.60x = 107,885,276,601,358,336
  5. Step 5: Solve for x
    x = 107,885,276,601,358,336/324,771,181.60
  6. Step 6: Final answer
    x = 332,188,576.80

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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.