Home / 76,125,675.84-105,053,166.72-41,318,364.48

Finding the Fourth Proportional to 76,125,675.84, 105,053,166.72 and 41,318,364.48

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Solution

The fourth proportional to 76,125,675.84, 105,053,166.72 and 41,318,364.48 is: 57,019,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125,675.84 : 105,053,166.72 = 41,318,364.48 : x
  2. Step 2: Convert to fraction form
    76,125,675.84/105,053,166.72 = 41,318,364.48/x
  3. Step 3: Cross multiply
    76,125,675.84x = 105,053,166.72 × 41,318,364.48
  4. Step 4: Simplify right side
    76,125,675.84x = 4,340,625,032,315,165.50
  5. Step 5: Solve for x
    x = 4,340,625,032,315,165.50/76,125,675.84
  6. Step 6: Final answer
    x = 57,019,198.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.