Home / 144,645,804.03-199,612,827.13-85,120,260.15

Finding the Fourth Proportional to 144,645,804.03, 199,612,827.13 and 85,120,260.15

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Solution

The fourth proportional to 144,645,804.03, 199,612,827.13 and 85,120,260.15 is: 117,466,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,645,804.03 : 199,612,827.13 = 85,120,260.15 : x
  2. Step 2: Convert to fraction form
    144,645,804.03/199,612,827.13 = 85,120,260.15/x
  3. Step 3: Cross multiply
    144,645,804.03x = 199,612,827.13 × 85,120,260.15
  4. Step 4: Simplify right side
    144,645,804.03x = 16,991,095,774,293,866
  5. Step 5: Solve for x
    x = 16,991,095,774,293,866/144,645,804.03
  6. Step 6: Final answer
    x = 117,466,910.90

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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.