Home / 71,380,984.32-107,011,284.48-30,961,036.80

Finding the Fourth Proportional to 71,380,984.32, 107,011,284.48 and 30,961,036.80

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Solution

The fourth proportional to 71,380,984.32, 107,011,284.48 and 30,961,036.80 is: 46,415,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380,984.32 : 107,011,284.48 = 30,961,036.80 : x
  2. Step 2: Convert to fraction form
    71,380,984.32/107,011,284.48 = 30,961,036.80/x
  3. Step 3: Cross multiply
    71,380,984.32x = 107,011,284.48 × 30,961,036.80
  4. Step 4: Simplify right side
    71,380,984.32x = 3,313,180,316,800,549
  5. Step 5: Solve for x
    x = 3,313,180,316,800,549/71,380,984.32
  6. Step 6: Final answer
    x = 46,415,447.31

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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.