Home / 73,603,631.89-101,573,012.57-40,563,881.39

Finding the Fourth Proportional to 73,603,631.89, 101,573,012.57 and 40,563,881.39

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Solution

The fourth proportional to 73,603,631.89, 101,573,012.57 and 40,563,881.39 is: 55,978,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,603,631.89 : 101,573,012.57 = 40,563,881.39 : x
  2. Step 2: Convert to fraction form
    73,603,631.89/101,573,012.57 = 40,563,881.39/x
  3. Step 3: Cross multiply
    73,603,631.89x = 101,573,012.57 × 40,563,881.39
  4. Step 4: Simplify right side
    73,603,631.89x = 4,120,195,633,806,593.50
  5. Step 5: Solve for x
    x = 4,120,195,633,806,593.50/73,603,631.89
  6. Step 6: Final answer
    x = 55,978,156.62

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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.