Home / 91,955,619.80-137,933,429.70-83,452,563.80

Finding the Fourth Proportional to 91,955,619.80, 137,933,429.70 and 83,452,563.80

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Solution

The fourth proportional to 91,955,619.80, 137,933,429.70 and 83,452,563.80 is: 125,178,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955,619.80 : 137,933,429.70 = 83,452,563.80 : x
  2. Step 2: Convert to fraction form
    91,955,619.80/137,933,429.70 = 83,452,563.80/x
  3. Step 3: Cross multiply
    91,955,619.80x = 137,933,429.70 × 83,452,563.80
  4. Step 4: Simplify right side
    91,955,619.80x = 11,510,898,342,192,064
  5. Step 5: Solve for x
    x = 11,510,898,342,192,064/91,955,619.80
  6. Step 6: Final answer
    x = 125,178,845.70

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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.