Home / 67,180,828.10-100,787,234.43-21,742,623.14

Finding the Fourth Proportional to 67,180,828.10, 100,787,234.43 and 21,742,623.14

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Solution

The fourth proportional to 67,180,828.10, 100,787,234.43 and 21,742,623.14 is: 32,619,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,828.10 : 100,787,234.43 = 21,742,623.14 : x
  2. Step 2: Convert to fraction form
    67,180,828.10/100,787,234.43 = 21,742,623.14/x
  3. Step 3: Cross multiply
    67,180,828.10x = 100,787,234.43 × 21,742,623.14
  4. Step 4: Simplify right side
    67,180,828.10x = 2,191,378,855,534,323
  5. Step 5: Solve for x
    x = 2,191,378,855,534,323/67,180,828.10
  6. Step 6: Final answer
    x = 32,619,110.50

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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.