Home / 76,424,130.28-105,469,727.55-57,551,927.73

Finding the Fourth Proportional to 76,424,130.28, 105,469,727.55 and 57,551,927.73

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Solution

The fourth proportional to 76,424,130.28, 105,469,727.55 and 57,551,927.73 is: 79,424,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,424,130.28 : 105,469,727.55 = 57,551,927.73 : x
  2. Step 2: Convert to fraction form
    76,424,130.28/105,469,727.55 = 57,551,927.73/x
  3. Step 3: Cross multiply
    76,424,130.28x = 105,469,727.55 × 57,551,927.73
  4. Step 4: Simplify right side
    76,424,130.28x = 6,069,986,137,373,076
  5. Step 5: Solve for x
    x = 6,069,986,137,373,076/76,424,130.28
  6. Step 6: Final answer
    x = 79,424,994.63

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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.