Home / 191,190,253.03-285,696,987.17-143,556,250.33

Finding the Fourth Proportional to 191,190,253.03, 285,696,987.17 and 143,556,250.33

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Solution

The fourth proportional to 191,190,253.03, 285,696,987.17 and 143,556,250.33 is: 214,517,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,190,253.03 : 285,696,987.17 = 143,556,250.33 : x
  2. Step 2: Convert to fraction form
    191,190,253.03/285,696,987.17 = 143,556,250.33/x
  3. Step 3: Cross multiply
    191,190,253.03x = 285,696,987.17 × 143,556,250.33
  4. Step 4: Simplify right side
    191,190,253.03x = 41,013,588,208,703,328
  5. Step 5: Solve for x
    x = 41,013,588,208,703,328/191,190,253.03
  6. Step 6: Final answer
    x = 214,517,150.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.