Home / 76,286,168.45-105,274,178.62-41,478,866.07

Finding the Fourth Proportional to 76,286,168.45, 105,274,178.62 and 41,478,866.07

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Solution

The fourth proportional to 76,286,168.45, 105,274,178.62 and 41,478,866.07 is: 57,240,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286,168.45 : 105,274,178.62 = 41,478,866.07 : x
  2. Step 2: Convert to fraction form
    76,286,168.45/105,274,178.62 = 41,478,866.07/x
  3. Step 3: Cross multiply
    76,286,168.45x = 105,274,178.62 × 41,478,866.07
  4. Step 4: Simplify right side
    76,286,168.45x = 4,366,653,555,109,762
  5. Step 5: Solve for x
    x = 4,366,653,555,109,762/76,286,168.45
  6. Step 6: Final answer
    x = 57,240,436.16

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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.