Home / 71,635,575.69-98,857,429.29-40,697,442.63

Finding the Fourth Proportional to 71,635,575.69, 98,857,429.29 and 40,697,442.63

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Solution

The fourth proportional to 71,635,575.69, 98,857,429.29 and 40,697,442.63 is: 56,162,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,635,575.69 : 98,857,429.29 = 40,697,442.63 : x
  2. Step 2: Convert to fraction form
    71,635,575.69/98,857,429.29 = 40,697,442.63/x
  3. Step 3: Cross multiply
    71,635,575.69x = 98,857,429.29 × 40,697,442.63
  4. Step 4: Simplify right side
    71,635,575.69x = 4,023,244,557,079,057
  5. Step 5: Solve for x
    x = 4,023,244,557,079,057/71,635,575.69
  6. Step 6: Final answer
    x = 56,162,661.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.