Home / 105,205,119.71-145,187,548.92-58,795,372.26

Finding the Fourth Proportional to 105,205,119.71, 145,187,548.92 and 58,795,372.26

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Solution

The fourth proportional to 105,205,119.71, 145,187,548.92 and 58,795,372.26 is: 81,140,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,119.71 : 145,187,548.92 = 58,795,372.26 : x
  2. Step 2: Convert to fraction form
    105,205,119.71/145,187,548.92 = 58,795,372.26/x
  3. Step 3: Cross multiply
    105,205,119.71x = 145,187,548.92 × 58,795,372.26
  4. Step 4: Simplify right side
    105,205,119.71x = 8,536,355,986,268,360
  5. Step 5: Solve for x
    x = 8,536,355,986,268,360/105,205,119.71
  6. Step 6: Final answer
    x = 81,140,119.51

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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.