Home / 87,939,188.04-131,984,675.82-61,031,739.72

Finding the Fourth Proportional to 87,939,188.04, 131,984,675.82 and 61,031,739.72

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Solution

The fourth proportional to 87,939,188.04, 131,984,675.82 and 61,031,739.72 is: 91,600,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,188.04 : 131,984,675.82 = 61,031,739.72 : x
  2. Step 2: Convert to fraction form
    87,939,188.04/131,984,675.82 = 61,031,739.72/x
  3. Step 3: Cross multiply
    87,939,188.04x = 131,984,675.82 × 61,031,739.72
  4. Step 4: Simplify right side
    87,939,188.04x = 8,055,254,381,674,817
  5. Step 5: Solve for x
    x = 8,055,254,381,674,817/87,939,188.04
  6. Step 6: Final answer
    x = 91,600,281.53

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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.