Home / 54,298,911.10-81,448,366.65-51,779,487.10

Finding the Fourth Proportional to 54,298,911.10, 81,448,366.65 and 51,779,487.10

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Solution

The fourth proportional to 54,298,911.10, 81,448,366.65 and 51,779,487.10 is: 77,669,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,298,911.10 : 81,448,366.65 = 51,779,487.10 : x
  2. Step 2: Convert to fraction form
    54,298,911.10/81,448,366.65 = 51,779,487.10/x
  3. Step 3: Cross multiply
    54,298,911.10x = 81,448,366.65 × 51,779,487.10
  4. Step 4: Simplify right side
    54,298,911.10x = 4,217,354,650,269,745.50
  5. Step 5: Solve for x
    x = 4,217,354,650,269,745.50/54,298,911.10
  6. Step 6: Final answer
    x = 77,669,230.65

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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.