Home / 76,702,536.18-105,848,801.18-41,895,217.40

Finding the Fourth Proportional to 76,702,536.18, 105,848,801.18 and 41,895,217.40

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Solution

The fourth proportional to 76,702,536.18, 105,848,801.18 and 41,895,217.40 is: 57,815,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,536.18 : 105,848,801.18 = 41,895,217.40 : x
  2. Step 2: Convert to fraction form
    76,702,536.18/105,848,801.18 = 41,895,217.40/x
  3. Step 3: Cross multiply
    76,702,536.18x = 105,848,801.18 × 41,895,217.40
  4. Step 4: Simplify right side
    76,702,536.18x = 4,434,558,536,965,476.50
  5. Step 5: Solve for x
    x = 4,434,558,536,965,476.50/76,702,536.18
  6. Step 6: Final answer
    x = 57,815,018.35

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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.