Home / 74,983,421.30-103,484,914.45-43,194,687.39

Finding the Fourth Proportional to 74,983,421.30, 103,484,914.45 and 43,194,687.39

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Solution

The fourth proportional to 74,983,421.30, 103,484,914.45 and 43,194,687.39 is: 59,613,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,983,421.30 : 103,484,914.45 = 43,194,687.39 : x
  2. Step 2: Convert to fraction form
    74,983,421.30/103,484,914.45 = 43,194,687.39/x
  3. Step 3: Cross multiply
    74,983,421.30x = 103,484,914.45 × 43,194,687.39
  4. Step 4: Simplify right side
    74,983,421.30x = 4,469,998,529,140,657.50
  5. Step 5: Solve for x
    x = 4,469,998,529,140,657.50/74,983,421.30
  6. Step 6: Final answer
    x = 59,613,157.84

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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.