Home / 54,376,882.40-81,609,938.40-53,951,729.60

Finding the Fourth Proportional to 54,376,882.40, 81,609,938.40 and 53,951,729.60

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Solution

The fourth proportional to 54,376,882.40, 81,609,938.40 and 53,951,729.60 is: 80,971,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376,882.40 : 81,609,938.40 = 53,951,729.60 : x
  2. Step 2: Convert to fraction form
    54,376,882.40/81,609,938.40 = 53,951,729.60/x
  3. Step 3: Cross multiply
    54,376,882.40x = 81,609,938.40 × 53,951,729.60
  4. Step 4: Simplify right side
    54,376,882.40x = 4,402,997,329,229,457
  5. Step 5: Solve for x
    x = 4,402,997,329,229,457/54,376,882.40
  6. Step 6: Final answer
    x = 80,971,860.37

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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.