Home / 76,347,141.49-114,628,329.02-54,769,980.79

Finding the Fourth Proportional to 76,347,141.49, 114,628,329.02 and 54,769,980.79

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Solution

The fourth proportional to 76,347,141.49, 114,628,329.02 and 54,769,980.79 is: 82,232,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347,141.49 : 114,628,329.02 = 54,769,980.79 : x
  2. Step 2: Convert to fraction form
    76,347,141.49/114,628,329.02 = 54,769,980.79/x
  3. Step 3: Cross multiply
    76,347,141.49x = 114,628,329.02 × 54,769,980.79
  4. Step 4: Simplify right side
    76,347,141.49x = 6,278,191,378,141,350
  5. Step 5: Solve for x
    x = 6,278,191,378,141,350/76,347,141.49
  6. Step 6: Final answer
    x = 82,232,173.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.