Home / 48,620,274.60-72,930,405.52-19,866,380.45

Finding the Fourth Proportional to 48,620,274.60, 72,930,405.52 and 19,866,380.45

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Solution

The fourth proportional to 48,620,274.60, 72,930,405.52 and 19,866,380.45 is: 29,799,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620,274.60 : 72,930,405.52 = 19,866,380.45 : x
  2. Step 2: Convert to fraction form
    48,620,274.60/72,930,405.52 = 19,866,380.45/x
  3. Step 3: Cross multiply
    48,620,274.60x = 72,930,405.52 × 19,866,380.45
  4. Step 4: Simplify right side
    48,620,274.60x = 1,448,863,182,433,100
  5. Step 5: Solve for x
    x = 1,448,863,182,433,100/48,620,274.60
  6. Step 6: Final answer
    x = 29,799,568.07

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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.