Home / 72,215,432.70-99,657,297.14-41,276,266.30

Finding the Fourth Proportional to 72,215,432.70, 99,657,297.14 and 41,276,266.30

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Solution

The fourth proportional to 72,215,432.70, 99,657,297.14 and 41,276,266.30 is: 56,961,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,432.70 : 99,657,297.14 = 41,276,266.30 : x
  2. Step 2: Convert to fraction form
    72,215,432.70/99,657,297.14 = 41,276,266.30/x
  3. Step 3: Cross multiply
    72,215,432.70x = 99,657,297.14 × 41,276,266.30
  4. Step 4: Simplify right side
    72,215,432.70x = 4,113,481,135,488,868
  5. Step 5: Solve for x
    x = 4,113,481,135,488,868/72,215,432.70
  6. Step 6: Final answer
    x = 56,961,247.50

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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.