Home / 186,660,200.40-279,990,300.60-117,785,446.80

Finding the Fourth Proportional to 186,660,200.40, 279,990,300.60 and 117,785,446.80

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Solution

The fourth proportional to 186,660,200.40, 279,990,300.60 and 117,785,446.80 is: 176,678,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,660,200.40 : 279,990,300.60 = 117,785,446.80 : x
  2. Step 2: Convert to fraction form
    186,660,200.40/279,990,300.60 = 117,785,446.80/x
  3. Step 3: Cross multiply
    186,660,200.40x = 279,990,300.60 × 117,785,446.80
  4. Step 4: Simplify right side
    186,660,200.40x = 32,978,782,655,837,312
  5. Step 5: Solve for x
    x = 32,978,782,655,837,312/186,660,200.40
  6. Step 6: Final answer
    x = 176,678,170.20

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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.