Home / 54,838,165.42-81,766,980.82-53,331,530.20

Finding the Fourth Proportional to 54,838,165.42, 81,766,980.82 and 53,331,530.20

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Solution

The fourth proportional to 54,838,165.42, 81,766,980.82 and 53,331,530.20 is: 79,520,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838,165.42 : 81,766,980.82 = 53,331,530.20 : x
  2. Step 2: Convert to fraction form
    54,838,165.42/81,766,980.82 = 53,331,530.20/x
  3. Step 3: Cross multiply
    54,838,165.42x = 81,766,980.82 × 53,331,530.20
  4. Step 4: Simplify right side
    54,838,165.42x = 4,360,758,206,964,650.50
  5. Step 5: Solve for x
    x = 4,360,758,206,964,650.50/54,838,165.42
  6. Step 6: Final answer
    x = 79,520,497.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.