Home / 50,187,948.81-69,259,403.49-28,158,407.16

Finding the Fourth Proportional to 50,187,948.81, 69,259,403.49 and 28,158,407.16

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Solution

The fourth proportional to 50,187,948.81, 69,259,403.49 and 28,158,407.16 is: 38,858,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,187,948.81 : 69,259,403.49 = 28,158,407.16 : x
  2. Step 2: Convert to fraction form
    50,187,948.81/69,259,403.49 = 28,158,407.16/x
  3. Step 3: Cross multiply
    50,187,948.81x = 69,259,403.49 × 28,158,407.16
  4. Step 4: Simplify right side
    50,187,948.81x = 1,950,234,483,130,144.75
  5. Step 5: Solve for x
    x = 1,950,234,483,130,144.75/50,187,948.81
  6. Step 6: Final answer
    x = 38,858,621.03

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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.