Home / 76,109,809.40-105,031,605.60-41,302,500.17

Finding the Fourth Proportional to 76,109,809.40, 105,031,605.60 and 41,302,500.17

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Solution

The fourth proportional to 76,109,809.40, 105,031,605.60 and 41,302,500.17 is: 56,997,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,109,809.40 : 105,031,605.60 = 41,302,500.17 : x
  2. Step 2: Convert to fraction form
    76,109,809.40/105,031,605.60 = 41,302,500.17/x
  3. Step 3: Cross multiply
    76,109,809.40x = 105,031,605.60 × 41,302,500.17
  4. Step 4: Simplify right side
    76,109,809.40x = 4,338,067,907,624,214.50
  5. Step 5: Solve for x
    x = 4,338,067,907,624,214.50/76,109,809.40
  6. Step 6: Final answer
    x = 56,997,487.47

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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.