Home / 76,122,657.84-105,046,596.18-41,314,647.72

Finding the Fourth Proportional to 76,122,657.84, 105,046,596.18 and 41,314,647.72

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Solution

The fourth proportional to 76,122,657.84, 105,046,596.18 and 41,314,647.72 is: 57,012,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,657.84 : 105,046,596.18 = 41,314,647.72 : x
  2. Step 2: Convert to fraction form
    76,122,657.84/105,046,596.18 = 41,314,647.72/x
  3. Step 3: Cross multiply
    76,122,657.84x = 105,046,596.18 × 41,314,647.72
  4. Step 4: Simplify right side
    76,122,657.84x = 4,339,963,115,361,798
  5. Step 5: Solve for x
    x = 4,339,963,115,361,798/76,122,657.84
  6. Step 6: Final answer
    x = 57,012,763.85

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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.