Home / 43,578,002.40-65,367,003.60-20,903,186.40

Finding the Fourth Proportional to 43,578,002.40, 65,367,003.60 and 20,903,186.40

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Solution

The fourth proportional to 43,578,002.40, 65,367,003.60 and 20,903,186.40 is: 31,354,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,002.40 : 65,367,003.60 = 20,903,186.40 : x
  2. Step 2: Convert to fraction form
    43,578,002.40/65,367,003.60 = 20,903,186.40/x
  3. Step 3: Cross multiply
    43,578,002.40x = 65,367,003.60 × 20,903,186.40
  4. Step 4: Simplify right side
    43,578,002.40x = 1,366,378,660,660,271
  5. Step 5: Solve for x
    x = 1,366,378,660,660,271/43,578,002.40
  6. Step 6: Final answer
    x = 31,354,779.60

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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.