Home / 48,620,532.80-72,941,858.40-28,415,374.40

Finding the Fourth Proportional to 48,620,532.80, 72,941,858.40 and 28,415,374.40

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Solution

The fourth proportional to 48,620,532.80, 72,941,858.40 and 28,415,374.40 is: 42,629,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620,532.80 : 72,941,858.40 = 28,415,374.40 : x
  2. Step 2: Convert to fraction form
    48,620,532.80/72,941,858.40 = 28,415,374.40/x
  3. Step 3: Cross multiply
    48,620,532.80x = 72,941,858.40 × 28,415,374.40
  4. Step 4: Simplify right side
    48,620,532.80x = 2,072,670,215,867,785
  5. Step 5: Solve for x
    x = 2,072,670,215,867,785/48,620,532.80
  6. Step 6: Final answer
    x = 42,629,524.95

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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.