Home / 54,376,809.40-81,609,828.90-53,951,656.60

Finding the Fourth Proportional to 54,376,809.40, 81,609,828.90 and 53,951,656.60

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Solution

The fourth proportional to 54,376,809.40, 81,609,828.90 and 53,951,656.60 is: 80,971,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376,809.40 : 81,609,828.90 = 53,951,656.60 : x
  2. Step 2: Convert to fraction form
    54,376,809.40/81,609,828.90 = 53,951,656.60/x
  3. Step 3: Cross multiply
    54,376,809.40x = 81,609,828.90 × 53,951,656.60
  4. Step 4: Simplify right side
    54,376,809.40x = 4,402,985,463,997,556
  5. Step 5: Solve for x
    x = 4,402,985,463,997,556/54,376,809.40
  6. Step 6: Final answer
    x = 80,971,750.87

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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.