Home / 100,930,092.88-139,283,421.22-54,520,339.36

Finding the Fourth Proportional to 100,930,092.88, 139,283,421.22 and 54,520,339.36

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Solution

The fourth proportional to 100,930,092.88, 139,283,421.22 and 54,520,339.36 is: 75,238,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,930,092.88 : 139,283,421.22 = 54,520,339.36 : x
  2. Step 2: Convert to fraction form
    100,930,092.88/139,283,421.22 = 54,520,339.36/x
  3. Step 3: Cross multiply
    100,930,092.88x = 139,283,421.22 × 54,520,339.36
  4. Step 4: Simplify right side
    100,930,092.88x = 7,593,779,392,136,225
  5. Step 5: Solve for x
    x = 7,593,779,392,136,225/100,930,092.88
  6. Step 6: Final answer
    x = 75,238,010.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.