Home / 186,743,121.60-280,429,610.40-156,006,148.80

Finding the Fourth Proportional to 186,743,121.60, 280,429,610.40 and 156,006,148.80

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Solution

The fourth proportional to 186,743,121.60, 280,429,610.40 and 156,006,148.80 is: 234,272,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743,121.60 : 280,429,610.40 = 156,006,148.80 : x
  2. Step 2: Convert to fraction form
    186,743,121.60/280,429,610.40 = 156,006,148.80/x
  3. Step 3: Cross multiply
    186,743,121.60x = 280,429,610.40 × 156,006,148.80
  4. Step 4: Simplify right side
    186,743,121.60x = 43,748,743,527,988,424
  5. Step 5: Solve for x
    x = 43,748,743,527,988,424/186,743,121.60
  6. Step 6: Final answer
    x = 234,272,315.64

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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.