Home / 43,705,713.20-65,584,813.80-18,144,057.20

Finding the Fourth Proportional to 43,705,713.20, 65,584,813.80 and 18,144,057.20

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Solution

The fourth proportional to 43,705,713.20, 65,584,813.80 and 18,144,057.20 is: 27,226,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,705,713.20 : 65,584,813.80 = 18,144,057.20 : x
  2. Step 2: Convert to fraction form
    43,705,713.20/65,584,813.80 = 18,144,057.20/x
  3. Step 3: Cross multiply
    43,705,713.20x = 65,584,813.80 × 18,144,057.20
  4. Step 4: Simplify right side
    43,705,713.20x = 1,189,974,613,038,549.25
  5. Step 5: Solve for x
    x = 1,189,974,613,038,549.25/43,705,713.20
  6. Step 6: Final answer
    x = 27,226,980.77

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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.