Home / 186,846,231.96-257,842,802.54-103,212,562.64

Finding the Fourth Proportional to 186,846,231.96, 257,842,802.54 and 103,212,562.64

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Solution

The fourth proportional to 186,846,231.96, 257,842,802.54 and 103,212,562.64 is: 142,430,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,846,231.96 : 257,842,802.54 = 103,212,562.64 : x
  2. Step 2: Convert to fraction form
    186,846,231.96/257,842,802.54 = 103,212,562.64/x
  3. Step 3: Cross multiply
    186,846,231.96x = 257,842,802.54 × 103,212,562.64
  4. Step 4: Simplify right side
    186,846,231.96x = 26,612,616,407,401,720
  5. Step 5: Solve for x
    x = 26,612,616,407,401,720/186,846,231.96
  6. Step 6: Final answer
    x = 142,430,575.82

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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.