Home / 217,446,715,661.29-300,085,768,124.88-121,102,786,675.26

Finding the Fourth Proportional to 217,446,715,661.29, 300,085,768,124.88 and 121,102,786,675.26

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Solution

The fourth proportional to 217,446,715,661.29, 300,085,768,124.88 and 121,102,786,675.26 is: 167,127,025,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,446,715,661.29 : 300,085,768,124.88 = 121,102,786,675.26 : x
  2. Step 2: Convert to fraction form
    217,446,715,661.29/300,085,768,124.88 = 121,102,786,675.26/x
  3. Step 3: Cross multiply
    217,446,715,661.29x = 300,085,768,124.88 × 121,102,786,675.26
  4. Step 4: Simplify right side
    217,446,715,661.29x = 36,341,222,761,508,877,893,632
  5. Step 5: Solve for x
    x = 36,341,222,761,508,877,893,632/217,446,715,661.29
  6. Step 6: Final answer
    x = 167,127,025,354.19

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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.