Home / 56,552,336.45-84,828,504.68-42,203,429.45

Finding the Fourth Proportional to 56,552,336.45, 84,828,504.68 and 42,203,429.45

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Solution

The fourth proportional to 56,552,336.45, 84,828,504.68 and 42,203,429.45 is: 63,305,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,552,336.45 : 84,828,504.68 = 42,203,429.45 : x
  2. Step 2: Convert to fraction form
    56,552,336.45/84,828,504.68 = 42,203,429.45/x
  3. Step 3: Cross multiply
    56,552,336.45x = 84,828,504.68 × 42,203,429.45
  4. Step 4: Simplify right side
    56,552,336.45x = 3,580,053,812,611,375.50
  5. Step 5: Solve for x
    x = 3,580,053,812,611,375.50/56,552,336.45
  6. Step 6: Final answer
    x = 63,305,144.18

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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.