Home / 47,010,074.40-70,515,111.60-30,885,760.80

Finding the Fourth Proportional to 47,010,074.40, 70,515,111.60 and 30,885,760.80

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Solution

The fourth proportional to 47,010,074.40, 70,515,111.60 and 30,885,760.80 is: 46,328,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,010,074.40 : 70,515,111.60 = 30,885,760.80 : x
  2. Step 2: Convert to fraction form
    47,010,074.40/70,515,111.60 = 30,885,760.80/x
  3. Step 3: Cross multiply
    47,010,074.40x = 70,515,111.60 × 30,885,760.80
  4. Step 4: Simplify right side
    47,010,074.40x = 2,177,912,869,662,905.25
  5. Step 5: Solve for x
    x = 2,177,912,869,662,905.25/47,010,074.40
  6. Step 6: Final answer
    x = 46,328,641.20

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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.