Home / 320,897,189.79-481,205,614.19-113,566,721.58

Finding the Fourth Proportional to 320,897,189.79, 481,205,614.19 and 113,566,721.58

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Solution

The fourth proportional to 320,897,189.79, 481,205,614.19 and 113,566,721.58 is: 170,300,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,897,189.79 : 481,205,614.19 = 113,566,721.58 : x
  2. Step 2: Convert to fraction form
    320,897,189.79/481,205,614.19 = 113,566,721.58/x
  3. Step 3: Cross multiply
    320,897,189.79x = 481,205,614.19 × 113,566,721.58
  4. Step 4: Simplify right side
    320,897,189.79x = 54,648,944,008,880,792
  5. Step 5: Solve for x
    x = 54,648,944,008,880,792/320,897,189.79
  6. Step 6: Final answer
    x = 170,300,475.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.