Home / 54,457,221.10-76,431,428.30-54,457,221.10

Finding the Fourth Proportional to 54,457,221.10, 76,431,428.30 and 54,457,221.10

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Solution

The fourth proportional to 54,457,221.10, 76,431,428.30 and 54,457,221.10 is: 76,431,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,221.10 : 76,431,428.30 = 54,457,221.10 : x
  2. Step 2: Convert to fraction form
    54,457,221.10/76,431,428.30 = 54,457,221.10/x
  3. Step 3: Cross multiply
    54,457,221.10x = 76,431,428.30 × 54,457,221.10
  4. Step 4: Simplify right side
    54,457,221.10x = 4,162,243,189,921,897
  5. Step 5: Solve for x
    x = 4,162,243,189,921,897/54,457,221.10
  6. Step 6: Final answer
    x = 76,431,428.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.