Home / 48,620,431.80-72,941,706.90-28,415,273.40

Finding the Fourth Proportional to 48,620,431.80, 72,941,706.90 and 28,415,273.40

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Solution

The fourth proportional to 48,620,431.80, 72,941,706.90 and 28,415,273.40 is: 42,629,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620,431.80 : 72,941,706.90 = 28,415,273.40 : x
  2. Step 2: Convert to fraction form
    48,620,431.80/72,941,706.90 = 28,415,273.40/x
  3. Step 3: Cross multiply
    48,620,431.80x = 72,941,706.90 × 28,415,273.40
  4. Step 4: Simplify right side
    48,620,431.80x = 2,072,658,543,826,166.50
  5. Step 5: Solve for x
    x = 2,072,658,543,826,166.50/48,620,431.80
  6. Step 6: Final answer
    x = 42,629,373.44

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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.