Home / 302,843,369.12-417,923,861.65-163,614,130.43

Finding the Fourth Proportional to 302,843,369.12, 417,923,861.65 and 163,614,130.43

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Solution

The fourth proportional to 302,843,369.12, 417,923,861.65 and 163,614,130.43 is: 225,787,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,843,369.12 : 417,923,861.65 = 163,614,130.43 : x
  2. Step 2: Convert to fraction form
    302,843,369.12/417,923,861.65 = 163,614,130.43/x
  3. Step 3: Cross multiply
    302,843,369.12x = 417,923,861.65 × 163,614,130.43
  4. Step 4: Simplify right side
    302,843,369.12x = 68,378,249,210,448,144
  5. Step 5: Solve for x
    x = 68,378,249,210,448,144/302,843,369.12
  6. Step 6: Final answer
    x = 225,787,506.62

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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.