Home / 70,848,085.60-106,272,128.40-69,504,392.80

Finding the Fourth Proportional to 70,848,085.60, 106,272,128.40 and 69,504,392.80

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Solution

The fourth proportional to 70,848,085.60, 106,272,128.40 and 69,504,392.80 is: 104,256,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,848,085.60 : 106,272,128.40 = 69,504,392.80 : x
  2. Step 2: Convert to fraction form
    70,848,085.60/106,272,128.40 = 69,504,392.80/x
  3. Step 3: Cross multiply
    70,848,085.60x = 106,272,128.40 × 69,504,392.80
  4. Step 4: Simplify right side
    70,848,085.60x = 7,386,379,756,005,636
  5. Step 5: Solve for x
    x = 7,386,379,756,005,636/70,848,085.60
  6. Step 6: Final answer
    x = 104,256,589.20

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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.