Home / 54,131,569.20-81,197,353.80-15,796,958.40

Finding the Fourth Proportional to 54,131,569.20, 81,197,353.80 and 15,796,958.40

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Solution

The fourth proportional to 54,131,569.20, 81,197,353.80 and 15,796,958.40 is: 23,695,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131,569.20 : 81,197,353.80 = 15,796,958.40 : x
  2. Step 2: Convert to fraction form
    54,131,569.20/81,197,353.80 = 15,796,958.40/x
  3. Step 3: Cross multiply
    54,131,569.20x = 81,197,353.80 × 15,796,958.40
  4. Step 4: Simplify right side
    54,131,569.20x = 1,282,671,220,168,682
  5. Step 5: Solve for x
    x = 1,282,671,220,168,682/54,131,569.20
  6. Step 6: Final answer
    x = 23,695,437.60

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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.