Home / 186,739,705.20-280,158,546.60-71,727,999.60

Finding the Fourth Proportional to 186,739,705.20, 280,158,546.60 and 71,727,999.60

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Solution

The fourth proportional to 186,739,705.20, 280,158,546.60 and 71,727,999.60 is: 107,610,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,739,705.20 : 280,158,546.60 = 71,727,999.60 : x
  2. Step 2: Convert to fraction form
    186,739,705.20/280,158,546.60 = 71,727,999.60/x
  3. Step 3: Cross multiply
    186,739,705.20x = 280,158,546.60 × 71,727,999.60
  4. Step 4: Simplify right side
    186,739,705.20x = 20,095,212,118,461,380
  5. Step 5: Solve for x
    x = 20,095,212,118,461,380/186,739,705.20
  6. Step 6: Final answer
    x = 107,610,816.33

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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.