Home / 215,683,663.20-323,525,494.80-203,779,384.80

Finding the Fourth Proportional to 215,683,663.20, 323,525,494.80 and 203,779,384.80

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Solution

The fourth proportional to 215,683,663.20, 323,525,494.80 and 203,779,384.80 is: 305,669,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,663.20 : 323,525,494.80 = 203,779,384.80 : x
  2. Step 2: Convert to fraction form
    215,683,663.20/323,525,494.80 = 203,779,384.80/x
  3. Step 3: Cross multiply
    215,683,663.20x = 323,525,494.80 × 203,779,384.80
  4. Step 4: Simplify right side
    215,683,663.20x = 65,927,826,297,459,608
  5. Step 5: Solve for x
    x = 65,927,826,297,459,608/215,683,663.20
  6. Step 6: Final answer
    x = 305,669,077.20

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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.