Home / 260,868,917.88-359,996,984.62-143,392,999.10

Finding the Fourth Proportional to 260,868,917.88, 359,996,984.62 and 143,392,999.10

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Solution

The fourth proportional to 260,868,917.88, 359,996,984.62 and 143,392,999.10 is: 197,881,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,868,917.88 : 359,996,984.62 = 143,392,999.10 : x
  2. Step 2: Convert to fraction form
    260,868,917.88/359,996,984.62 = 143,392,999.10/x
  3. Step 3: Cross multiply
    260,868,917.88x = 359,996,984.62 × 143,392,999.10
  4. Step 4: Simplify right side
    260,868,917.88x = 51,621,047,289,459,904
  5. Step 5: Solve for x
    x = 51,621,047,289,459,904/260,868,917.88
  6. Step 6: Final answer
    x = 197,881,172.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.