Home / 54,201,720.48-74,799,871.92-30,678,387.36

Finding the Fourth Proportional to 54,201,720.48, 74,799,871.92 and 30,678,387.36

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Solution

The fourth proportional to 54,201,720.48, 74,799,871.92 and 30,678,387.36 is: 42,337,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201,720.48 : 74,799,871.92 = 30,678,387.36 : x
  2. Step 2: Convert to fraction form
    54,201,720.48/74,799,871.92 = 30,678,387.36/x
  3. Step 3: Cross multiply
    54,201,720.48x = 74,799,871.92 × 30,678,387.36
  4. Step 4: Simplify right side
    54,201,720.48x = 2,294,739,445,240,147
  5. Step 5: Solve for x
    x = 2,294,739,445,240,147/54,201,720.48
  6. Step 6: Final answer
    x = 42,337,022.24

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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.