Home / 100,848,692.85-139,167,521.40-56,192,356.44

Finding the Fourth Proportional to 100,848,692.85, 139,167,521.40 and 56,192,356.44

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Solution

The fourth proportional to 100,848,692.85, 139,167,521.40 and 56,192,356.44 is: 77,543,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848,692.85 : 139,167,521.40 = 56,192,356.44 : x
  2. Step 2: Convert to fraction form
    100,848,692.85/139,167,521.40 = 56,192,356.44/x
  3. Step 3: Cross multiply
    100,848,692.85x = 139,167,521.40 × 56,192,356.44
  4. Step 4: Simplify right side
    100,848,692.85x = 7,820,150,967,380,128
  5. Step 5: Solve for x
    x = 7,820,150,967,380,128/100,848,692.85
  6. Step 6: Final answer
    x = 77,543,404.35

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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.