Home / 72,860,064.73-100,546,987.31-41,919,613.45

Finding the Fourth Proportional to 72,860,064.73, 100,546,987.31 and 41,919,613.45

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Solution

The fourth proportional to 72,860,064.73, 100,546,987.31 and 41,919,613.45 is: 57,849,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860,064.73 : 100,546,987.31 = 41,919,613.45 : x
  2. Step 2: Convert to fraction form
    72,860,064.73/100,546,987.31 = 41,919,613.45/x
  3. Step 3: Cross multiply
    72,860,064.73x = 100,546,987.31 × 41,919,613.45
  4. Step 4: Simplify right side
    72,860,064.73x = 4,214,890,841,387,658
  5. Step 5: Solve for x
    x = 4,214,890,841,387,658/72,860,064.73
  6. Step 6: Final answer
    x = 57,849,122.93

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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.