Home / 307,251,230.51-424,039,557.25-188,252,795.69

Finding the Fourth Proportional to 307,251,230.51, 424,039,557.25 and 188,252,795.69

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Solution

The fourth proportional to 307,251,230.51, 424,039,557.25 and 188,252,795.69 is: 259,808,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,251,230.51 : 424,039,557.25 = 188,252,795.69 : x
  2. Step 2: Convert to fraction form
    307,251,230.51/424,039,557.25 = 188,252,795.69/x
  3. Step 3: Cross multiply
    307,251,230.51x = 424,039,557.25 × 188,252,795.69
  4. Step 4: Simplify right side
    307,251,230.51x = 79,826,632,132,400,848
  5. Step 5: Solve for x
    x = 79,826,632,132,400,848/307,251,230.51
  6. Step 6: Final answer
    x = 259,808,990.84

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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.