Home / 108,992,129-163,440,729.66-31,251,880.04

Finding the Fourth Proportional to 108,992,129, 163,440,729.66 and 31,251,880.04

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Solution

The fourth proportional to 108,992,129, 163,440,729.66 and 31,251,880.04 is: 46,864,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,992,129 : 163,440,729.66 = 31,251,880.04 : x
  2. Step 2: Convert to fraction form
    108,992,129/163,440,729.66 = 31,251,880.04/x
  3. Step 3: Cross multiply
    108,992,129x = 163,440,729.66 × 31,251,880.04
  4. Step 4: Simplify right side
    108,992,129x = 5,107,830,076,984,390
  5. Step 5: Solve for x
    x = 5,107,830,076,984,390/108,992,129
  6. Step 6: Final answer
    x = 46,864,210.51

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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.