Home / 70,933,918.40-106,400,877.60-40,216,628.60

Finding the Fourth Proportional to 70,933,918.40, 106,400,877.60 and 40,216,628.60

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Solution

The fourth proportional to 70,933,918.40, 106,400,877.60 and 40,216,628.60 is: 60,324,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933,918.40 : 106,400,877.60 = 40,216,628.60 : x
  2. Step 2: Convert to fraction form
    70,933,918.40/106,400,877.60 = 40,216,628.60/x
  3. Step 3: Cross multiply
    70,933,918.40x = 106,400,877.60 × 40,216,628.60
  4. Step 4: Simplify right side
    70,933,918.40x = 4,279,084,577,153,259.50
  5. Step 5: Solve for x
    x = 4,279,084,577,153,259.50/70,933,918.40
  6. Step 6: Final answer
    x = 60,324,942.90

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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.