Home / 302,074,020.81-416,839,613.66-169,889,479.39

Finding the Fourth Proportional to 302,074,020.81, 416,839,613.66 and 169,889,479.39

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Solution

The fourth proportional to 302,074,020.81, 416,839,613.66 and 169,889,479.39 is: 234,434,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,074,020.81 : 416,839,613.66 = 169,889,479.39 : x
  2. Step 2: Convert to fraction form
    302,074,020.81/416,839,613.66 = 169,889,479.39/x
  3. Step 3: Cross multiply
    302,074,020.81x = 416,839,613.66 × 169,889,479.39
  4. Step 4: Simplify right side
    302,074,020.81x = 70,816,664,953,826,128
  5. Step 5: Solve for x
    x = 70,816,664,953,826,128/302,074,020.81
  6. Step 6: Final answer
    x = 234,434,807.61

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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.