Home / 61,654,003.05-85,014,356.46-39,291,581.70

Finding the Fourth Proportional to 61,654,003.05, 85,014,356.46 and 39,291,581.70

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Solution

The fourth proportional to 61,654,003.05, 85,014,356.46 and 39,291,581.70 is: 54,178,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654,003.05 : 85,014,356.46 = 39,291,581.70 : x
  2. Step 2: Convert to fraction form
    61,654,003.05/85,014,356.46 = 39,291,581.70/x
  3. Step 3: Cross multiply
    61,654,003.05x = 85,014,356.46 × 39,291,581.70
  4. Step 4: Simplify right side
    61,654,003.05x = 3,340,348,532,521,013
  5. Step 5: Solve for x
    x = 3,340,348,532,521,013/61,654,003.05
  6. Step 6: Final answer
    x = 54,178,940.01

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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.