Home / 48,072,006.80-72,108,010.20-19,322,579.60

Finding the Fourth Proportional to 48,072,006.80, 72,108,010.20 and 19,322,579.60

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Solution

The fourth proportional to 48,072,006.80, 72,108,010.20 and 19,322,579.60 is: 28,983,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072,006.80 : 72,108,010.20 = 19,322,579.60 : x
  2. Step 2: Convert to fraction form
    48,072,006.80/72,108,010.20 = 19,322,579.60/x
  3. Step 3: Cross multiply
    48,072,006.80x = 72,108,010.20 × 19,322,579.60
  4. Step 4: Simplify right side
    48,072,006.80x = 1,393,312,766,887,112
  5. Step 5: Solve for x
    x = 1,393,312,766,887,112/48,072,006.80
  6. Step 6: Final answer
    x = 28,983,869.40

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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.