Home / 76,260,677.33-105,239,802.53-41,453,367.78

Finding the Fourth Proportional to 76,260,677.33, 105,239,802.53 and 41,453,367.78

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Solution

The fourth proportional to 76,260,677.33, 105,239,802.53 and 41,453,367.78 is: 57,205,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260,677.33 : 105,239,802.53 = 41,453,367.78 : x
  2. Step 2: Convert to fraction form
    76,260,677.33/105,239,802.53 = 41,453,367.78/x
  3. Step 3: Cross multiply
    76,260,677.33x = 105,239,802.53 × 41,453,367.78
  4. Step 4: Simplify right side
    76,260,677.33x = 4,362,544,238,844,465.50
  5. Step 5: Solve for x
    x = 4,362,544,238,844,465.50/76,260,677.33
  6. Step 6: Final answer
    x = 57,205,684.39

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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.