Home / 215,596,009.20-323,408,010.60-113,559,337.20

Finding the Fourth Proportional to 215,596,009.20, 323,408,010.60 and 113,559,337.20

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Solution

The fourth proportional to 215,596,009.20, 323,408,010.60 and 113,559,337.20 is: 170,346,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,596,009.20 : 323,408,010.60 = 113,559,337.20 : x
  2. Step 2: Convert to fraction form
    215,596,009.20/323,408,010.60 = 113,559,337.20/x
  3. Step 3: Cross multiply
    215,596,009.20x = 323,408,010.60 × 113,559,337.20
  4. Step 4: Simplify right side
    215,596,009.20x = 36,725,999,328,906,576
  5. Step 5: Solve for x
    x = 36,725,999,328,906,576/215,596,009.20
  6. Step 6: Final answer
    x = 170,346,378.23

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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.