Home / 54,201,722.48-74,799,874.68-30,678,389.36

Finding the Fourth Proportional to 54,201,722.48, 74,799,874.68 and 30,678,389.36

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Solution

The fourth proportional to 54,201,722.48, 74,799,874.68 and 30,678,389.36 is: 42,337,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201,722.48 : 74,799,874.68 = 30,678,389.36 : x
  2. Step 2: Convert to fraction form
    54,201,722.48/74,799,874.68 = 30,678,389.36/x
  3. Step 3: Cross multiply
    54,201,722.48x = 74,799,874.68 × 30,678,389.36
  4. Step 4: Simplify right side
    54,201,722.48x = 2,294,739,679,512,245.50
  5. Step 5: Solve for x
    x = 2,294,739,679,512,245.50/54,201,722.48
  6. Step 6: Final answer
    x = 42,337,025.00

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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.