Home / 99,520,094.70-149,218,556.04-38,864,495.34

Finding the Fourth Proportional to 99,520,094.70, 149,218,556.04 and 38,864,495.34

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Solution

The fourth proportional to 99,520,094.70, 149,218,556.04 and 38,864,495.34 is: 58,272,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,520,094.70 : 149,218,556.04 = 38,864,495.34 : x
  2. Step 2: Convert to fraction form
    99,520,094.70/149,218,556.04 = 38,864,495.34/x
  3. Step 3: Cross multiply
    99,520,094.70x = 149,218,556.04 × 38,864,495.34
  4. Step 4: Simplify right side
    99,520,094.70x = 5,799,303,875,858,109
  5. Step 5: Solve for x
    x = 5,799,303,875,858,109/99,520,094.70
  6. Step 6: Final answer
    x = 58,272,692.50

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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.