Home / 120,013,597.40-165,619,559.40-65,009,453.36

Finding the Fourth Proportional to 120,013,597.40, 165,619,559.40 and 65,009,453.36

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Solution

The fourth proportional to 120,013,597.40, 165,619,559.40 and 65,009,453.36 is: 89,713,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,013,597.40 : 165,619,559.40 = 65,009,453.36 : x
  2. Step 2: Convert to fraction form
    120,013,597.40/165,619,559.40 = 65,009,453.36/x
  3. Step 3: Cross multiply
    120,013,597.40x = 165,619,559.40 × 65,009,453.36
  4. Step 4: Simplify right side
    120,013,597.40x = 10,766,837,022,318,050
  5. Step 5: Solve for x
    x = 10,766,837,022,318,050/120,013,597.40
  6. Step 6: Final answer
    x = 89,713,476.27

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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.