Home / 137,246,511.33-205,876,388.07-45,128,209.95

Finding the Fourth Proportional to 137,246,511.33, 205,876,388.07 and 45,128,209.95

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Solution

The fourth proportional to 137,246,511.33, 205,876,388.07 and 45,128,209.95 is: 67,694,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,511.33 : 205,876,388.07 = 45,128,209.95 : x
  2. Step 2: Convert to fraction form
    137,246,511.33/205,876,388.07 = 45,128,209.95/x
  3. Step 3: Cross multiply
    137,246,511.33x = 205,876,388.07 × 45,128,209.95
  4. Step 4: Simplify right side
    137,246,511.33x = 9,290,832,864,570,636
  5. Step 5: Solve for x
    x = 9,290,832,864,570,636/137,246,511.33
  6. Step 6: Final answer
    x = 67,694,492.01

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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.