Home / 71,774,007.60-107,661,011.40-67,994,871.60

Finding the Fourth Proportional to 71,774,007.60, 107,661,011.40 and 67,994,871.60

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Solution

The fourth proportional to 71,774,007.60, 107,661,011.40 and 67,994,871.60 is: 101,992,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,774,007.60 : 107,661,011.40 = 67,994,871.60 : x
  2. Step 2: Convert to fraction form
    71,774,007.60/107,661,011.40 = 67,994,871.60/x
  3. Step 3: Cross multiply
    71,774,007.60x = 107,661,011.40 × 67,994,871.60
  4. Step 4: Simplify right side
    71,774,007.60x = 7,320,396,646,469,136
  5. Step 5: Solve for x
    x = 7,320,396,646,469,136/71,774,007.60
  6. Step 6: Final answer
    x = 101,992,307.40

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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.