Home / 284,351,406.75-392,405,475.20-158,903,603.55

Finding the Fourth Proportional to 284,351,406.75, 392,405,475.20 and 158,903,603.55

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Solution

The fourth proportional to 284,351,406.75, 392,405,475.20 and 158,903,603.55 is: 219,287,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,351,406.75 : 392,405,475.20 = 158,903,603.55 : x
  2. Step 2: Convert to fraction form
    284,351,406.75/392,405,475.20 = 158,903,603.55/x
  3. Step 3: Cross multiply
    284,351,406.75x = 392,405,475.20 × 158,903,603.55
  4. Step 4: Simplify right side
    284,351,406.75x = 62,354,644,061,235,640
  5. Step 5: Solve for x
    x = 62,354,644,061,235,640/284,351,406.75
  6. Step 6: Final answer
    x = 219,287,271.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.