Home / 250,098,100.83-345,137,405.56-138,590,804.21

Finding the Fourth Proportional to 250,098,100.83, 345,137,405.56 and 138,590,804.21

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Solution

The fourth proportional to 250,098,100.83, 345,137,405.56 and 138,590,804.21 is: 191,256,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,098,100.83 : 345,137,405.56 = 138,590,804.21 : x
  2. Step 2: Convert to fraction form
    250,098,100.83/345,137,405.56 = 138,590,804.21/x
  3. Step 3: Cross multiply
    250,098,100.83x = 345,137,405.56 × 138,590,804.21
  4. Step 4: Simplify right side
    250,098,100.83x = 47,832,870,600,029,696
  5. Step 5: Solve for x
    x = 47,832,870,600,029,696/250,098,100.83
  6. Step 6: Final answer
    x = 191,256,432.74

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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.