Home / 61,783,878.20-92,675,817.30-47,479,148.60

Finding the Fourth Proportional to 61,783,878.20, 92,675,817.30 and 47,479,148.60

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Solution

The fourth proportional to 61,783,878.20, 92,675,817.30 and 47,479,148.60 is: 71,218,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783,878.20 : 92,675,817.30 = 47,479,148.60 : x
  2. Step 2: Convert to fraction form
    61,783,878.20/92,675,817.30 = 47,479,148.60/x
  3. Step 3: Cross multiply
    61,783,878.20x = 92,675,817.30 × 47,479,148.60
  4. Step 4: Simplify right side
    61,783,878.20x = 4,400,168,901,213,151
  5. Step 5: Solve for x
    x = 4,400,168,901,213,151/61,783,878.20
  6. Step 6: Final answer
    x = 71,218,722.90

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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.