Home / 250,098,117.67-345,137,428.85-138,590,821.07

Finding the Fourth Proportional to 250,098,117.67, 345,137,428.85 and 138,590,821.07

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Solution

The fourth proportional to 250,098,117.67, 345,137,428.85 and 138,590,821.07 is: 191,256,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,098,117.67 : 345,137,428.85 = 138,590,821.07 : x
  2. Step 2: Convert to fraction form
    250,098,117.67/345,137,428.85 = 138,590,821.07/x
  3. Step 3: Cross multiply
    250,098,117.67x = 345,137,428.85 × 138,590,821.07
  4. Step 4: Simplify right side
    250,098,117.67x = 47,832,879,647,128,960
  5. Step 5: Solve for x
    x = 47,832,879,647,128,960/250,098,117.67
  6. Step 6: Final answer
    x = 191,256,456.04

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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.