Home / 53,982,021.04-74,493,336.20-30,784,614.10

Finding the Fourth Proportional to 53,982,021.04, 74,493,336.20 and 30,784,614.10

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Solution

The fourth proportional to 53,982,021.04, 74,493,336.20 and 30,784,614.10 is: 42,481,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982,021.04 : 74,493,336.20 = 30,784,614.10 : x
  2. Step 2: Convert to fraction form
    53,982,021.04/74,493,336.20 = 30,784,614.10/x
  3. Step 3: Cross multiply
    53,982,021.04x = 74,493,336.20 × 30,784,614.10
  4. Step 4: Simplify right side
    53,982,021.04x = 2,293,248,607,938,560.50
  5. Step 5: Solve for x
    x = 2,293,248,607,938,560.50/53,982,021.04
  6. Step 6: Final answer
    x = 42,481,710.83

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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.