Home / 90,819,998.40-125,435,858.40-66,150,094.08

Finding the Fourth Proportional to 90,819,998.40, 125,435,858.40 and 66,150,094.08

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Solution

The fourth proportional to 90,819,998.40, 125,435,858.40 and 66,150,094.08 is: 91,363,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,819,998.40 : 125,435,858.40 = 66,150,094.08 : x
  2. Step 2: Convert to fraction form
    90,819,998.40/125,435,858.40 = 66,150,094.08/x
  3. Step 3: Cross multiply
    90,819,998.40x = 125,435,858.40 × 66,150,094.08
  4. Step 4: Simplify right side
    90,819,998.40x = 8,297,593,834,165,558
  5. Step 5: Solve for x
    x = 8,297,593,834,165,558/90,819,998.40
  6. Step 6: Final answer
    x = 91,363,069.59

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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.