Home / 103,569,830.20-155,354,745.30-52,609,036.60

Finding the Fourth Proportional to 103,569,830.20, 155,354,745.30 and 52,609,036.60

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Solution

The fourth proportional to 103,569,830.20, 155,354,745.30 and 52,609,036.60 is: 78,913,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569,830.20 : 155,354,745.30 = 52,609,036.60 : x
  2. Step 2: Convert to fraction form
    103,569,830.20/155,354,745.30 = 52,609,036.60/x
  3. Step 3: Cross multiply
    103,569,830.20x = 155,354,745.30 × 52,609,036.60
  4. Step 4: Simplify right side
    103,569,830.20x = 8,173,063,481,471,379
  5. Step 5: Solve for x
    x = 8,173,063,481,471,379/103,569,830.20
  6. Step 6: Final answer
    x = 78,913,554.90

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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.