Home / 220,671,481.20-304,533,569.88-121,559,414.64

Finding the Fourth Proportional to 220,671,481.20, 304,533,569.88 and 121,559,414.64

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Solution

The fourth proportional to 220,671,481.20, 304,533,569.88 and 121,559,414.64 is: 167,755,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,671,481.20 : 304,533,569.88 = 121,559,414.64 : x
  2. Step 2: Convert to fraction form
    220,671,481.20/304,533,569.88 = 121,559,414.64/x
  3. Step 3: Cross multiply
    220,671,481.20x = 304,533,569.88 × 121,559,414.64
  4. Step 4: Simplify right side
    220,671,481.20x = 37,018,922,492,842,336
  5. Step 5: Solve for x
    x = 37,018,922,492,842,336/220,671,481.20
  6. Step 6: Final answer
    x = 167,755,807.37

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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.