Home / 99,204,006.30-148,806,009.45-45,351,318.30

Finding the Fourth Proportional to 99,204,006.30, 148,806,009.45 and 45,351,318.30

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Solution

The fourth proportional to 99,204,006.30, 148,806,009.45 and 45,351,318.30 is: 68,026,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204,006.30 : 148,806,009.45 = 45,351,318.30 : x
  2. Step 2: Convert to fraction form
    99,204,006.30/148,806,009.45 = 45,351,318.30/x
  3. Step 3: Cross multiply
    99,204,006.30x = 148,806,009.45 × 45,351,318.30
  4. Step 4: Simplify right side
    99,204,006.30x = 6,748,548,699,519,757
  5. Step 5: Solve for x
    x = 6,748,548,699,519,757/99,204,006.30
  6. Step 6: Final answer
    x = 68,026,977.45

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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.