Home / 218,240,967,391.80-301,169,329,813.58-121,898,459,844.38

Finding the Fourth Proportional to 218,240,967,391.80, 301,169,329,813.58 and 121,898,459,844.38

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Solution

The fourth proportional to 218,240,967,391.80, 301,169,329,813.58 and 121,898,459,844.38 is: 168,218,084,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,240,967,391.80 : 301,169,329,813.58 = 121,898,459,844.38 : x
  2. Step 2: Convert to fraction form
    218,240,967,391.80/301,169,329,813.58 = 121,898,459,844.38/x
  3. Step 3: Cross multiply
    218,240,967,391.80x = 301,169,329,813.58 × 121,898,459,844.38
  4. Step 4: Simplify right side
    218,240,967,391.80x = 36,712,077,456,639,520,669,696
  5. Step 5: Solve for x
    x = 36,712,077,456,639,520,669,696/218,240,967,391.80
  6. Step 6: Final answer
    x = 168,218,084,328.47

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1.5x scale

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.