Home / 191,190,248.57-285,696,980.51-143,556,245.87

Finding the Fourth Proportional to 191,190,248.57, 285,696,980.51 and 143,556,245.87

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Solution

The fourth proportional to 191,190,248.57, 285,696,980.51 and 143,556,245.87 is: 214,517,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,190,248.57 : 285,696,980.51 = 143,556,245.87 : x
  2. Step 2: Convert to fraction form
    191,190,248.57/285,696,980.51 = 143,556,245.87/x
  3. Step 3: Cross multiply
    191,190,248.57x = 285,696,980.51 × 143,556,245.87
  4. Step 4: Simplify right side
    191,190,248.57x = 41,013,585,976,263,896
  5. Step 5: Solve for x
    x = 41,013,585,976,263,896/191,190,248.57
  6. Step 6: Final answer
    x = 214,517,143.43

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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.