Home / 168,332,960.51-252,276,220.96-86,448,531.23

Finding the Fourth Proportional to 168,332,960.51, 252,276,220.96 and 86,448,531.23

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Solution

The fourth proportional to 168,332,960.51, 252,276,220.96 and 86,448,531.23 is: 129,558,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,332,960.51 : 252,276,220.96 = 86,448,531.23 : x
  2. Step 2: Convert to fraction form
    168,332,960.51/252,276,220.96 = 86,448,531.23/x
  3. Step 3: Cross multiply
    168,332,960.51x = 252,276,220.96 × 86,448,531.23
  4. Step 4: Simplify right side
    168,332,960.51x = 21,808,908,764,769,436
  5. Step 5: Solve for x
    x = 21,808,908,764,769,436/168,332,960.51
  6. Step 6: Final answer
    x = 129,558,160.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.