Home / 72,860,066.48-100,546,989.72-41,919,615.20

Finding the Fourth Proportional to 72,860,066.48, 100,546,989.72 and 41,919,615.20

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Solution

The fourth proportional to 72,860,066.48, 100,546,989.72 and 41,919,615.20 is: 57,849,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860,066.48 : 100,546,989.72 = 41,919,615.20 : x
  2. Step 2: Convert to fraction form
    72,860,066.48/100,546,989.72 = 41,919,615.20/x
  3. Step 3: Cross multiply
    72,860,066.48x = 100,546,989.72 × 41,919,615.20
  4. Step 4: Simplify right side
    72,860,066.48x = 4,214,891,118,580,756
  5. Step 5: Solve for x
    x = 4,214,891,118,580,756/72,860,066.48
  6. Step 6: Final answer
    x = 57,849,125.35

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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.