Home / 77,324,582.40-106,707,173.51-42,042,387.04

Finding the Fourth Proportional to 77,324,582.40, 106,707,173.51 and 42,042,387.04

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Solution

The fourth proportional to 77,324,582.40, 106,707,173.51 and 42,042,387.04 is: 58,018,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,324,582.40 : 106,707,173.51 = 42,042,387.04 : x
  2. Step 2: Convert to fraction form
    77,324,582.40/106,707,173.51 = 42,042,387.04/x
  3. Step 3: Cross multiply
    77,324,582.40x = 106,707,173.51 × 42,042,387.04
  4. Step 4: Simplify right side
    77,324,582.40x = 4,486,224,288,651,855.50
  5. Step 5: Solve for x
    x = 4,486,224,288,651,855.50/77,324,582.40
  6. Step 6: Final answer
    x = 58,018,086.22

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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.