Home / 72,409,607.44-108,644,489.88-29,309,278.48

Finding the Fourth Proportional to 72,409,607.44, 108,644,489.88 and 29,309,278.48

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Solution

The fourth proportional to 72,409,607.44, 108,644,489.88 and 29,309,278.48 is: 43,976,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,409,607.44 : 108,644,489.88 = 29,309,278.48 : x
  2. Step 2: Convert to fraction form
    72,409,607.44/108,644,489.88 = 29,309,278.48/x
  3. Step 3: Cross multiply
    72,409,607.44x = 108,644,489.88 × 29,309,278.48
  4. Step 4: Simplify right side
    72,409,607.44x = 3,184,291,609,210,461.50
  5. Step 5: Solve for x
    x = 3,184,291,609,210,461.50/72,409,607.44
  6. Step 6: Final answer
    x = 43,976,092.70

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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.