Home / 144,645,837.48-199,612,873.32-85,120,293.58

Finding the Fourth Proportional to 144,645,837.48, 199,612,873.32 and 85,120,293.58

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Solution

The fourth proportional to 144,645,837.48, 199,612,873.32 and 85,120,293.58 is: 117,466,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,645,837.48 : 199,612,873.32 = 85,120,293.58 : x
  2. Step 2: Convert to fraction form
    144,645,837.48/199,612,873.32 = 85,120,293.58/x
  3. Step 3: Cross multiply
    144,645,837.48x = 199,612,873.32 × 85,120,293.58
  4. Step 4: Simplify right side
    144,645,837.48x = 16,991,106,379,345,748
  5. Step 5: Solve for x
    x = 16,991,106,379,345,748/144,645,837.48
  6. Step 6: Final answer
    x = 117,466,957.05

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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.