Home / 108,415,515.88-162,623,269.25-31,738,543.80

Finding the Fourth Proportional to 108,415,515.88, 162,623,269.25 and 31,738,543.80

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Solution

The fourth proportional to 108,415,515.88, 162,623,269.25 and 31,738,543.80 is: 47,607,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415,515.88 : 162,623,269.25 = 31,738,543.80 : x
  2. Step 2: Convert to fraction form
    108,415,515.88/162,623,269.25 = 31,738,543.80/x
  3. Step 3: Cross multiply
    108,415,515.88x = 162,623,269.25 × 31,738,543.80
  4. Step 4: Simplify right side
    108,415,515.88x = 5,161,425,753,990,318
  5. Step 5: Solve for x
    x = 5,161,425,753,990,318/108,415,515.88
  6. Step 6: Final answer
    x = 47,607,814.36

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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.