Home / 65,664,028.80-98,496,043.20-20,219,918.40

Finding the Fourth Proportional to 65,664,028.80, 98,496,043.20 and 20,219,918.40

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Solution

The fourth proportional to 65,664,028.80, 98,496,043.20 and 20,219,918.40 is: 30,329,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,028.80 : 98,496,043.20 = 20,219,918.40 : x
  2. Step 2: Convert to fraction form
    65,664,028.80/98,496,043.20 = 20,219,918.40/x
  3. Step 3: Cross multiply
    65,664,028.80x = 98,496,043.20 × 20,219,918.40
  4. Step 4: Simplify right side
    65,664,028.80x = 1,991,581,956,226,874.75
  5. Step 5: Solve for x
    x = 1,991,581,956,226,874.75/65,664,028.80
  6. Step 6: Final answer
    x = 30,329,877.60

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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.