Home / 67,180,767.03-100,787,142.41-21,742,561.59

Finding the Fourth Proportional to 67,180,767.03, 100,787,142.41 and 21,742,561.59

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Solution

The fourth proportional to 67,180,767.03, 100,787,142.41 and 21,742,561.59 is: 32,619,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180,767.03 : 100,787,142.41 = 21,742,561.59 : x
  2. Step 2: Convert to fraction form
    67,180,767.03/100,787,142.41 = 21,742,561.59/x
  3. Step 3: Cross multiply
    67,180,767.03x = 100,787,142.41 × 21,742,561.59
  4. Step 4: Simplify right side
    67,180,767.03x = 2,191,370,651,220,813.25
  5. Step 5: Solve for x
    x = 2,191,370,651,220,813.25/67,180,767.03
  6. Step 6: Final answer
    x = 32,619,018.03

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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.