Home / 120,341,026,513.90-166,068,382,448.61-66,146,416,589.57

Finding the Fourth Proportional to 120,341,026,513.90, 166,068,382,448.61 and 66,146,416,589.57

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Solution

The fourth proportional to 120,341,026,513.90, 166,068,382,448.61 and 66,146,416,589.57 is: 91,280,826,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,341,026,513.90 : 166,068,382,448.61 = 66,146,416,589.57 : x
  2. Step 2: Convert to fraction form
    120,341,026,513.90/166,068,382,448.61 = 66,146,416,589.57/x
  3. Step 3: Cross multiply
    120,341,026,513.90x = 166,068,382,448.61 × 66,146,416,589.57
  4. Step 4: Simplify right side
    120,341,026,513.90x = 10,984,828,407,800,961,957,888
  5. Step 5: Solve for x
    x = 10,984,828,407,800,961,957,888/120,341,026,513.90
  6. Step 6: Final answer
    x = 91,280,826,880.20

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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.