Home / 43,689,655.20-65,534,482.80-18,127,999.20

Finding the Fourth Proportional to 43,689,655.20, 65,534,482.80 and 18,127,999.20

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Solution

The fourth proportional to 43,689,655.20, 65,534,482.80 and 18,127,999.20 is: 27,191,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689,655.20 : 65,534,482.80 = 18,127,999.20 : x
  2. Step 2: Convert to fraction form
    43,689,655.20/65,534,482.80 = 18,127,999.20/x
  3. Step 3: Cross multiply
    43,689,655.20x = 65,534,482.80 × 18,127,999.20
  4. Step 4: Simplify right side
    43,689,655.20x = 1,188,009,051,770,813.75
  5. Step 5: Solve for x
    x = 1,188,009,051,770,813.75/43,689,655.20
  6. Step 6: Final answer
    x = 27,191,998.80

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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.