Home / 215,683,795.20-323,525,692.80-203,779,516.80

Finding the Fourth Proportional to 215,683,795.20, 323,525,692.80 and 203,779,516.80

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Solution

The fourth proportional to 215,683,795.20, 323,525,692.80 and 203,779,516.80 is: 305,669,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,795.20 : 323,525,692.80 = 203,779,516.80 : x
  2. Step 2: Convert to fraction form
    215,683,795.20/323,525,692.80 = 203,779,516.80/x
  3. Step 3: Cross multiply
    215,683,795.20x = 323,525,692.80 × 203,779,516.80
  4. Step 4: Simplify right side
    215,683,795.20x = 65,927,909,351,169,248
  5. Step 5: Solve for x
    x = 65,927,909,351,169,248/215,683,795.20
  6. Step 6: Final answer
    x = 305,669,275.20

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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.