Home / 74,930,259.20-103,406,029.45-41,891,900.36

Finding the Fourth Proportional to 74,930,259.20, 103,406,029.45 and 41,891,900.36

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Solution

The fourth proportional to 74,930,259.20, 103,406,029.45 and 41,891,900.36 is: 57,812,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,930,259.20 : 103,406,029.45 = 41,891,900.36 : x
  2. Step 2: Convert to fraction form
    74,930,259.20/103,406,029.45 = 41,891,900.36/x
  3. Step 3: Cross multiply
    74,930,259.20x = 103,406,029.45 × 41,891,900.36
  4. Step 4: Simplify right side
    74,930,259.20x = 4,331,875,081,720,865.50
  5. Step 5: Solve for x
    x = 4,331,875,081,720,865.50/74,930,259.20
  6. Step 6: Final answer
    x = 57,812,092.58

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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.