Home / 61,274,097.20-91,911,145.80-30,978,023.60

Finding the Fourth Proportional to 61,274,097.20, 91,911,145.80 and 30,978,023.60

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Solution

The fourth proportional to 61,274,097.20, 91,911,145.80 and 30,978,023.60 is: 46,467,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,274,097.20 : 91,911,145.80 = 30,978,023.60 : x
  2. Step 2: Convert to fraction form
    61,274,097.20/91,911,145.80 = 30,978,023.60/x
  3. Step 3: Cross multiply
    61,274,097.20x = 91,911,145.80 × 30,978,023.60
  4. Step 4: Simplify right side
    61,274,097.20x = 2,847,225,643,695,441
  5. Step 5: Solve for x
    x = 2,847,225,643,695,441/61,274,097.20
  6. Step 6: Final answer
    x = 46,467,035.40

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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.