Home / 103,713,776.80-155,446,249.20-43,098,301.60

Finding the Fourth Proportional to 103,713,776.80, 155,446,249.20 and 43,098,301.60

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Solution

The fourth proportional to 103,713,776.80, 155,446,249.20 and 43,098,301.60 is: 64,595,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,713,776.80 : 155,446,249.20 = 43,098,301.60 : x
  2. Step 2: Convert to fraction form
    103,713,776.80/155,446,249.20 = 43,098,301.60/x
  3. Step 3: Cross multiply
    103,713,776.80x = 155,446,249.20 × 43,098,301.60
  4. Step 4: Simplify right side
    103,713,776.80x = 6,699,469,330,610,358
  5. Step 5: Solve for x
    x = 6,699,469,330,610,358/103,713,776.80
  6. Step 6: Final answer
    x = 64,595,751.28

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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.