Home / 260,815,663.36-359,933,715.21-143,338,858.84

Finding the Fourth Proportional to 260,815,663.36, 359,933,715.21 and 143,338,858.84

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Solution

The fourth proportional to 260,815,663.36, 359,933,715.21 and 143,338,858.84 is: 197,812,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,815,663.36 : 359,933,715.21 = 143,338,858.84 : x
  2. Step 2: Convert to fraction form
    260,815,663.36/359,933,715.21 = 143,338,858.84/x
  3. Step 3: Cross multiply
    260,815,663.36x = 359,933,715.21 × 143,338,858.84
  4. Step 4: Simplify right side
    260,815,663.36x = 51,592,487,996,242,952
  5. Step 5: Solve for x
    x = 51,592,487,996,242,952/260,815,663.36
  6. Step 6: Final answer
    x = 197,812,076.67

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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.