Home / 107,847,794.80-161,771,692.20-102,320,808.40

Finding the Fourth Proportional to 107,847,794.80, 161,771,692.20 and 102,320,808.40

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Solution

The fourth proportional to 107,847,794.80, 161,771,692.20 and 102,320,808.40 is: 153,481,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,847,794.80 : 161,771,692.20 = 102,320,808.40 : x
  2. Step 2: Convert to fraction form
    107,847,794.80/161,771,692.20 = 102,320,808.40/x
  3. Step 3: Cross multiply
    107,847,794.80x = 161,771,692.20 × 102,320,808.40
  4. Step 4: Simplify right side
    107,847,794.80x = 16,552,610,322,139,974
  5. Step 5: Solve for x
    x = 16,552,610,322,139,974/107,847,794.80
  6. Step 6: Final answer
    x = 153,481,212.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.