Home / 90,716,420.80-136,127,775.30-33,214,504.60

Finding the Fourth Proportional to 90,716,420.80, 136,127,775.30 and 33,214,504.60

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Solution

The fourth proportional to 90,716,420.80, 136,127,775.30 and 33,214,504.60 is: 49,841,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716,420.80 : 136,127,775.30 = 33,214,504.60 : x
  2. Step 2: Convert to fraction form
    90,716,420.80/136,127,775.30 = 33,214,504.60/x
  3. Step 3: Cross multiply
    90,716,420.80x = 136,127,775.30 × 33,214,504.60
  4. Step 4: Simplify right side
    90,716,420.80x = 4,521,416,618,889,617
  5. Step 5: Solve for x
    x = 4,521,416,618,889,617/90,716,420.80
  6. Step 6: Final answer
    x = 49,841,214.84

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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.