Home / 220,051,709.60-330,077,564.40-203,423,511.20

Finding the Fourth Proportional to 220,051,709.60, 330,077,564.40 and 203,423,511.20

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Solution

The fourth proportional to 220,051,709.60, 330,077,564.40 and 203,423,511.20 is: 305,135,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,051,709.60 : 330,077,564.40 = 203,423,511.20 : x
  2. Step 2: Convert to fraction form
    220,051,709.60/330,077,564.40 = 203,423,511.20/x
  3. Step 3: Cross multiply
    220,051,709.60x = 330,077,564.40 × 203,423,511.20
  4. Step 4: Simplify right side
    220,051,709.60x = 67,145,537,118,592,112
  5. Step 5: Solve for x
    x = 67,145,537,118,592,112/220,051,709.60
  6. Step 6: Final answer
    x = 305,135,266.80

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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.