Home / 186,048,170.60-278,568,371.10-145,737,386.60

Finding the Fourth Proportional to 186,048,170.60, 278,568,371.10 and 145,737,386.60

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Solution

The fourth proportional to 186,048,170.60, 278,568,371.10 and 145,737,386.60 is: 218,211,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,048,170.60 : 278,568,371.10 = 145,737,386.60 : x
  2. Step 2: Convert to fraction form
    186,048,170.60/278,568,371.10 = 145,737,386.60/x
  3. Step 3: Cross multiply
    186,048,170.60x = 278,568,371.10 × 145,737,386.60
  4. Step 4: Simplify right side
    186,048,170.60x = 40,597,826,393,532,968
  5. Step 5: Solve for x
    x = 40,597,826,393,532,968/186,048,170.60
  6. Step 6: Final answer
    x = 218,211,371.08

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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.