Home / 145,451,829.39-200,727,763.47-79,376,583.65

Finding the Fourth Proportional to 145,451,829.39, 200,727,763.47 and 79,376,583.65

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Solution

The fourth proportional to 145,451,829.39, 200,727,763.47 and 79,376,583.65 is: 109,541,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,829.39 : 200,727,763.47 = 79,376,583.65 : x
  2. Step 2: Convert to fraction form
    145,451,829.39/200,727,763.47 = 79,376,583.65/x
  3. Step 3: Cross multiply
    145,451,829.39x = 200,727,763.47 × 79,376,583.65
  4. Step 4: Simplify right side
    145,451,829.39x = 15,933,084,106,950,230
  5. Step 5: Solve for x
    x = 15,933,084,106,950,230/145,451,829.39
  6. Step 6: Final answer
    x = 109,541,998.71

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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.