Home / 187,488,376.20-281,232,564.30-168,403,739.40

Finding the Fourth Proportional to 187,488,376.20, 281,232,564.30 and 168,403,739.40

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Solution

The fourth proportional to 187,488,376.20, 281,232,564.30 and 168,403,739.40 is: 252,605,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,488,376.20 : 281,232,564.30 = 168,403,739.40 : x
  2. Step 2: Convert to fraction form
    187,488,376.20/281,232,564.30 = 168,403,739.40/x
  3. Step 3: Cross multiply
    187,488,376.20x = 281,232,564.30 × 168,403,739.40
  4. Step 4: Simplify right side
    187,488,376.20x = 47,360,615,469,170,944
  5. Step 5: Solve for x
    x = 47,360,615,469,170,944/187,488,376.20
  6. Step 6: Final answer
    x = 252,605,609.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.