Home / 302,843,368.37-417,923,860.61-163,614,129.68

Finding the Fourth Proportional to 302,843,368.37, 417,923,860.61 and 163,614,129.68

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Solution

The fourth proportional to 302,843,368.37, 417,923,860.61 and 163,614,129.68 is: 225,787,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,843,368.37 : 417,923,860.61 = 163,614,129.68 : x
  2. Step 2: Convert to fraction form
    302,843,368.37/417,923,860.61 = 163,614,129.68/x
  3. Step 3: Cross multiply
    302,843,368.37x = 417,923,860.61 × 163,614,129.68
  4. Step 4: Simplify right side
    302,843,368.37x = 68,378,248,727,664,632
  5. Step 5: Solve for x
    x = 68,378,248,727,664,632/302,843,368.37
  6. Step 6: Final answer
    x = 225,787,505.58

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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.