Home / 86,352,015.21-119,223,302.03-51,081,151.19

Finding the Fourth Proportional to 86,352,015.21, 119,223,302.03 and 51,081,151.19

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Solution

The fourth proportional to 86,352,015.21, 119,223,302.03 and 51,081,151.19 is: 70,526,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352,015.21 : 119,223,302.03 = 51,081,151.19 : x
  2. Step 2: Convert to fraction form
    86,352,015.21/119,223,302.03 = 51,081,151.19/x
  3. Step 3: Cross multiply
    86,352,015.21x = 119,223,302.03 × 51,081,151.19
  4. Step 4: Simplify right side
    86,352,015.21x = 6,090,063,515,513,942
  5. Step 5: Solve for x
    x = 6,090,063,515,513,942/86,352,015.21
  6. Step 6: Final answer
    x = 70,526,014.95

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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.