Home / 215,683,743.70-323,525,615.55-203,779,465.30

Finding the Fourth Proportional to 215,683,743.70, 323,525,615.55 and 203,779,465.30

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Solution

The fourth proportional to 215,683,743.70, 323,525,615.55 and 203,779,465.30 is: 305,669,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,743.70 : 323,525,615.55 = 203,779,465.30 : x
  2. Step 2: Convert to fraction form
    215,683,743.70/323,525,615.55 = 203,779,465.30/x
  3. Step 3: Cross multiply
    215,683,743.70x = 323,525,615.55 × 203,779,465.30
  4. Step 4: Simplify right side
    215,683,743.70x = 65,927,876,947,632,368
  5. Step 5: Solve for x
    x = 65,927,876,947,632,368/215,683,743.70
  6. Step 6: Final answer
    x = 305,669,197.95

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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.