Home / 76,328,429.66-105,333,153.20-41,521,037.08

Finding the Fourth Proportional to 76,328,429.66, 105,333,153.20 and 41,521,037.08

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Solution

The fourth proportional to 76,328,429.66, 105,333,153.20 and 41,521,037.08 is: 57,298,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,328,429.66 : 105,333,153.20 = 41,521,037.08 : x
  2. Step 2: Convert to fraction form
    76,328,429.66/105,333,153.20 = 41,521,037.08/x
  3. Step 3: Cross multiply
    76,328,429.66x = 105,333,153.20 × 41,521,037.08
  4. Step 4: Simplify right side
    76,328,429.66x = 4,373,541,759,770,520.50
  5. Step 5: Solve for x
    x = 4,373,541,759,770,520.50/76,328,429.66
  6. Step 6: Final answer
    x = 57,298,987.80

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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.