Home / 43,578,001.40-65,367,002.10-20,903,185.40

Finding the Fourth Proportional to 43,578,001.40, 65,367,002.10 and 20,903,185.40

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Solution

The fourth proportional to 43,578,001.40, 65,367,002.10 and 20,903,185.40 is: 31,354,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,001.40 : 65,367,002.10 = 20,903,185.40 : x
  2. Step 2: Convert to fraction form
    43,578,001.40/65,367,002.10 = 20,903,185.40/x
  3. Step 3: Cross multiply
    43,578,001.40x = 65,367,002.10 × 20,903,185.40
  4. Step 4: Simplify right side
    43,578,001.40x = 1,366,378,563,938,489.25
  5. Step 5: Solve for x
    x = 1,366,378,563,938,489.25/43,578,001.40
  6. Step 6: Final answer
    x = 31,354,778.10

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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.