Home / 53,884,365.64-80,789,656.20-19,340,000.80

Finding the Fourth Proportional to 53,884,365.64, 80,789,656.20 and 19,340,000.80

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Solution

The fourth proportional to 53,884,365.64, 80,789,656.20 and 19,340,000.80 is: 28,996,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884,365.64 : 80,789,656.20 = 19,340,000.80 : x
  2. Step 2: Convert to fraction form
    53,884,365.64/80,789,656.20 = 19,340,000.80/x
  3. Step 3: Cross multiply
    53,884,365.64x = 80,789,656.20 × 19,340,000.80
  4. Step 4: Simplify right side
    53,884,365.64x = 1,562,472,015,539,725
  5. Step 5: Solve for x
    x = 1,562,472,015,539,725/53,884,365.64
  6. Step 6: Final answer
    x = 28,996,759.95

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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.