Home / 54,137,870.80-81,206,806.20-48,185,731.60

Finding the Fourth Proportional to 54,137,870.80, 81,206,806.20 and 48,185,731.60

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Solution

The fourth proportional to 54,137,870.80, 81,206,806.20 and 48,185,731.60 is: 72,278,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137,870.80 : 81,206,806.20 = 48,185,731.60 : x
  2. Step 2: Convert to fraction form
    54,137,870.80/81,206,806.20 = 48,185,731.60/x
  3. Step 3: Cross multiply
    54,137,870.80x = 81,206,806.20 × 48,185,731.60
  4. Step 4: Simplify right side
    54,137,870.80x = 3,913,009,367,646,416
  5. Step 5: Solve for x
    x = 3,913,009,367,646,416/54,137,870.80
  6. Step 6: Final answer
    x = 72,278,597.40

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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.