Home / 143,085,346.40-214,628,019.60-35,379,970.40

Finding the Fourth Proportional to 143,085,346.40, 214,628,019.60 and 35,379,970.40

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Solution

The fourth proportional to 143,085,346.40, 214,628,019.60 and 35,379,970.40 is: 53,069,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,085,346.40 : 214,628,019.60 = 35,379,970.40 : x
  2. Step 2: Convert to fraction form
    143,085,346.40/214,628,019.60 = 35,379,970.40/x
  3. Step 3: Cross multiply
    143,085,346.40x = 214,628,019.60 × 35,379,970.40
  4. Step 4: Simplify right side
    143,085,346.40x = 7,593,532,980,458,619
  5. Step 5: Solve for x
    x = 7,593,532,980,458,619/143,085,346.40
  6. Step 6: Final answer
    x = 53,069,955.60

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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.