Home / 74,764,162.80-112,093,100.10-28,688,228.10

Finding the Fourth Proportional to 74,764,162.80, 112,093,100.10 and 28,688,228.10

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Solution

The fourth proportional to 74,764,162.80, 112,093,100.10 and 28,688,228.10 is: 43,011,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,764,162.80 : 112,093,100.10 = 28,688,228.10 : x
  2. Step 2: Convert to fraction form
    74,764,162.80/112,093,100.10 = 28,688,228.10/x
  3. Step 3: Cross multiply
    74,764,162.80x = 112,093,100.10 × 28,688,228.10
  4. Step 4: Simplify right side
    74,764,162.80x = 3,215,752,424,104,933
  5. Step 5: Solve for x
    x = 3,215,752,424,104,933/74,764,162.80
  6. Step 6: Final answer
    x = 43,011,949.89

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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.