Home / 63,811,893.20-95,717,839.80-18,378,280.40

Finding the Fourth Proportional to 63,811,893.20, 95,717,839.80 and 18,378,280.40

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Solution

The fourth proportional to 63,811,893.20, 95,717,839.80 and 18,378,280.40 is: 27,567,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811,893.20 : 95,717,839.80 = 18,378,280.40 : x
  2. Step 2: Convert to fraction form
    63,811,893.20/95,717,839.80 = 18,378,280.40/x
  3. Step 3: Cross multiply
    63,811,893.20x = 95,717,839.80 × 18,378,280.40
  4. Step 4: Simplify right side
    63,811,893.20x = 1,759,129,299,126,679.75
  5. Step 5: Solve for x
    x = 1,759,129,299,126,679.75/63,811,893.20
  6. Step 6: Final answer
    x = 27,567,420.60

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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.