Home / 186,471,176.40-279,706,764.60-168,331,323.60

Finding the Fourth Proportional to 186,471,176.40, 279,706,764.60 and 168,331,323.60

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Solution

The fourth proportional to 186,471,176.40, 279,706,764.60 and 168,331,323.60 is: 252,496,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,471,176.40 : 279,706,764.60 = 168,331,323.60 : x
  2. Step 2: Convert to fraction form
    186,471,176.40/279,706,764.60 = 168,331,323.60/x
  3. Step 3: Cross multiply
    186,471,176.40x = 279,706,764.60 × 168,331,323.60
  4. Step 4: Simplify right side
    186,471,176.40x = 47,083,409,904,991,624
  5. Step 5: Solve for x
    x = 47,083,409,904,991,624/186,471,176.40
  6. Step 6: Final answer
    x = 252,496,985.40

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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.