Home / 215,683,792.20-323,525,688.30-203,779,513.80

Finding the Fourth Proportional to 215,683,792.20, 323,525,688.30 and 203,779,513.80

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Solution

The fourth proportional to 215,683,792.20, 323,525,688.30 and 203,779,513.80 is: 305,669,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,792.20 : 323,525,688.30 = 203,779,513.80 : x
  2. Step 2: Convert to fraction form
    215,683,792.20/323,525,688.30 = 203,779,513.80/x
  3. Step 3: Cross multiply
    215,683,792.20x = 323,525,688.30 × 203,779,513.80
  4. Step 4: Simplify right side
    215,683,792.20x = 65,927,907,463,584,352
  5. Step 5: Solve for x
    x = 65,927,907,463,584,352/215,683,792.20
  6. Step 6: Final answer
    x = 305,669,270.70

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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.