Home / 86,321,374.09-119,122,106.03-47,162,310.01

Finding the Fourth Proportional to 86,321,374.09, 119,122,106.03 and 47,162,310.01

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Solution

The fourth proportional to 86,321,374.09, 119,122,106.03 and 47,162,310.01 is: 65,083,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,321,374.09 : 119,122,106.03 = 47,162,310.01 : x
  2. Step 2: Convert to fraction form
    86,321,374.09/119,122,106.03 = 47,162,310.01/x
  3. Step 3: Cross multiply
    86,321,374.09x = 119,122,106.03 × 47,162,310.01
  4. Step 4: Simplify right side
    86,321,374.09x = 5,618,073,693,630,950
  5. Step 5: Solve for x
    x = 5,618,073,693,630,950/86,321,374.09
  6. Step 6: Final answer
    x = 65,083,228.26

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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.