Home / 56,165,720.30-84,248,580.45-27,430,289.90

Finding the Fourth Proportional to 56,165,720.30, 84,248,580.45 and 27,430,289.90

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Solution

The fourth proportional to 56,165,720.30, 84,248,580.45 and 27,430,289.90 is: 41,145,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,720.30 : 84,248,580.45 = 27,430,289.90 : x
  2. Step 2: Convert to fraction form
    56,165,720.30/84,248,580.45 = 27,430,289.90/x
  3. Step 3: Cross multiply
    56,165,720.30x = 84,248,580.45 × 27,430,289.90
  4. Step 4: Simplify right side
    56,165,720.30x = 2,310,962,985,406,972.50
  5. Step 5: Solve for x
    x = 2,310,962,985,406,972.50/56,165,720.30
  6. Step 6: Final answer
    x = 41,145,434.85

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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.