Home / 75,456,670.40-113,185,005.60-67,394,513.60

Finding the Fourth Proportional to 75,456,670.40, 113,185,005.60 and 67,394,513.60

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Solution

The fourth proportional to 75,456,670.40, 113,185,005.60 and 67,394,513.60 is: 101,091,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456,670.40 : 113,185,005.60 = 67,394,513.60 : x
  2. Step 2: Convert to fraction form
    75,456,670.40/113,185,005.60 = 67,394,513.60/x
  3. Step 3: Cross multiply
    75,456,670.40x = 113,185,005.60 × 67,394,513.60
  4. Step 4: Simplify right side
    75,456,670.40x = 7,628,048,399,225,275
  5. Step 5: Solve for x
    x = 7,628,048,399,225,275/75,456,670.40
  6. Step 6: Final answer
    x = 101,091,770.40

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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.