Home / 218,240,967,391.29-301,169,329,812.88-121,898,459,843.88

Finding the Fourth Proportional to 218,240,967,391.29, 301,169,329,812.88 and 121,898,459,843.88

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Solution

The fourth proportional to 218,240,967,391.29, 301,169,329,812.88 and 121,898,459,843.88 is: 168,218,084,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240,967,391.29 : 301,169,329,812.88 = 121,898,459,843.88 : x
  2. Step 2: Convert to fraction form
    218,240,967,391.29/301,169,329,812.88 = 121,898,459,843.88/x
  3. Step 3: Cross multiply
    218,240,967,391.29x = 301,169,329,812.88 × 121,898,459,843.88
  4. Step 4: Simplify right side
    218,240,967,391.29x = 36,712,077,456,403,607,846,912
  5. Step 5: Solve for x
    x = 36,712,077,456,403,607,846,912/218,240,967,391.29
  6. Step 6: Final answer
    x = 168,218,084,327.78

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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.