Home / 71,445,053.35-107,032,357.54-42,211,468.63

Finding the Fourth Proportional to 71,445,053.35, 107,032,357.54 and 42,211,468.63

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Solution

The fourth proportional to 71,445,053.35, 107,032,357.54 and 42,211,468.63 is: 63,237,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445,053.35 : 107,032,357.54 = 42,211,468.63 : x
  2. Step 2: Convert to fraction form
    71,445,053.35/107,032,357.54 = 42,211,468.63/x
  3. Step 3: Cross multiply
    71,445,053.35x = 107,032,357.54 × 42,211,468.63
  4. Step 4: Simplify right side
    71,445,053.35x = 4,517,993,002,694,655
  5. Step 5: Solve for x
    x = 4,517,993,002,694,655/71,445,053.35
  6. Step 6: Final answer
    x = 63,237,310.22

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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.