Home / 87,692,561.40-131,538,842.10-27,108,190.20

Finding the Fourth Proportional to 87,692,561.40, 131,538,842.10 and 27,108,190.20

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Solution

The fourth proportional to 87,692,561.40, 131,538,842.10 and 27,108,190.20 is: 40,662,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,692,561.40 : 131,538,842.10 = 27,108,190.20 : x
  2. Step 2: Convert to fraction form
    87,692,561.40/131,538,842.10 = 27,108,190.20/x
  3. Step 3: Cross multiply
    87,692,561.40x = 131,538,842.10 × 27,108,190.20
  4. Step 4: Simplify right side
    87,692,561.40x = 3,565,779,950,334,567
  5. Step 5: Solve for x
    x = 3,565,779,950,334,567/87,692,561.40
  6. Step 6: Final answer
    x = 40,662,285.30

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1.5x scale

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.