Home / 155,309,593.91-214,331,725.64-85,699,457.51

Finding the Fourth Proportional to 155,309,593.91, 214,331,725.64 and 85,699,457.51

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Solution

The fourth proportional to 155,309,593.91, 214,331,725.64 and 85,699,457.51 is: 118,267,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,309,593.91 : 214,331,725.64 = 85,699,457.51 : x
  2. Step 2: Convert to fraction form
    155,309,593.91/214,331,725.64 = 85,699,457.51/x
  3. Step 3: Cross multiply
    155,309,593.91x = 214,331,725.64 × 85,699,457.51
  4. Step 4: Simplify right side
    155,309,593.91x = 18,368,112,614,101,660
  5. Step 5: Solve for x
    x = 18,368,112,614,101,660/155,309,593.91
  6. Step 6: Final answer
    x = 118,267,726.75

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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.