Home / 91,290,586,644.66-125,928,668,339.37-56,936,650,542.99

Finding the Fourth Proportional to 91,290,586,644.66, 125,928,668,339.37 and 56,936,650,542.99

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Solution

The fourth proportional to 91,290,586,644.66, 125,928,668,339.37 and 56,936,650,542.99 is: 78,539,933,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290,586,644.66 : 125,928,668,339.37 = 56,936,650,542.99 : x
  2. Step 2: Convert to fraction form
    91,290,586,644.66/125,928,668,339.37 = 56,936,650,542.99/x
  3. Step 3: Cross multiply
    91,290,586,644.66x = 125,928,668,339.37 × 56,936,650,542.99
  4. Step 4: Simplify right side
    91,290,586,644.66x = 7,169,956,582,583,049,388,032
  5. Step 5: Solve for x
    x = 7,169,956,582,583,049,388,032/91,290,586,644.66
  6. Step 6: Final answer
    x = 78,539,933,262.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.