Home / 52,159,412.40-78,235,619.40-13,820,103.60

Finding the Fourth Proportional to 52,159,412.40, 78,235,619.40 and 13,820,103.60

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Solution

The fourth proportional to 52,159,412.40, 78,235,619.40 and 13,820,103.60 is: 20,729,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,159,412.40 : 78,235,619.40 = 13,820,103.60 : x
  2. Step 2: Convert to fraction form
    52,159,412.40/78,235,619.40 = 13,820,103.60/x
  3. Step 3: Cross multiply
    52,159,412.40x = 78,235,619.40 × 13,820,103.60
  4. Step 4: Simplify right side
    52,159,412.40x = 1,081,224,365,318,169.88
  5. Step 5: Solve for x
    x = 1,081,224,365,318,169.88/52,159,412.40
  6. Step 6: Final answer
    x = 20,729,228.26

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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.