Home / 86,352,015.71-119,223,302.72-51,081,151.69

Finding the Fourth Proportional to 86,352,015.71, 119,223,302.72 and 51,081,151.69

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Solution

The fourth proportional to 86,352,015.71, 119,223,302.72 and 51,081,151.69 is: 70,526,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,352,015.71 : 119,223,302.72 = 51,081,151.69 : x
  2. Step 2: Convert to fraction form
    86,352,015.71/119,223,302.72 = 51,081,151.69/x
  3. Step 3: Cross multiply
    86,352,015.71x = 119,223,302.72 × 51,081,151.69
  4. Step 4: Simplify right side
    86,352,015.71x = 6,090,063,610,371,588
  5. Step 5: Solve for x
    x = 6,090,063,610,371,588/86,352,015.71
  6. Step 6: Final answer
    x = 70,526,015.64

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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.