Home / 215,460,060.30-323,190,090.45-147,435,612.30

Finding the Fourth Proportional to 215,460,060.30, 323,190,090.45 and 147,435,612.30

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Solution

The fourth proportional to 215,460,060.30, 323,190,090.45 and 147,435,612.30 is: 221,153,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,460,060.30 : 323,190,090.45 = 147,435,612.30 : x
  2. Step 2: Convert to fraction form
    215,460,060.30/323,190,090.45 = 147,435,612.30/x
  3. Step 3: Cross multiply
    215,460,060.30x = 323,190,090.45 × 147,435,612.30
  4. Step 4: Simplify right side
    215,460,060.30x = 47,649,728,874,788,136
  5. Step 5: Solve for x
    x = 47,649,728,874,788,136/215,460,060.30
  6. Step 6: Final answer
    x = 221,153,418.45

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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.