Home / 53,824,672.80-80,737,009.20-47,447,380.80

Finding the Fourth Proportional to 53,824,672.80, 80,737,009.20 and 47,447,380.80

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Solution

The fourth proportional to 53,824,672.80, 80,737,009.20 and 47,447,380.80 is: 71,171,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824,672.80 : 80,737,009.20 = 47,447,380.80 : x
  2. Step 2: Convert to fraction form
    53,824,672.80/80,737,009.20 = 47,447,380.80/x
  3. Step 3: Cross multiply
    53,824,672.80x = 80,737,009.20 × 47,447,380.80
  4. Step 4: Simplify right side
    53,824,672.80x = 3,830,759,620,165,503.50
  5. Step 5: Solve for x
    x = 3,830,759,620,165,503.50/53,824,672.80
  6. Step 6: Final answer
    x = 71,171,071.20

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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.