Home / 77,168,811.33-106,490,204.40-43,677,571.77

Finding the Fourth Proportional to 77,168,811.33, 106,490,204.40 and 43,677,571.77

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Solution

The fourth proportional to 77,168,811.33, 106,490,204.40 and 43,677,571.77 is: 60,273,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,811.33 : 106,490,204.40 = 43,677,571.77 : x
  2. Step 2: Convert to fraction form
    77,168,811.33/106,490,204.40 = 43,677,571.77/x
  3. Step 3: Cross multiply
    77,168,811.33x = 106,490,204.40 × 43,677,571.77
  4. Step 4: Simplify right side
    77,168,811.33x = 4,651,233,545,482,970
  5. Step 5: Solve for x
    x = 4,651,233,545,482,970/77,168,811.33
  6. Step 6: Final answer
    x = 60,273,489.58

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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.