Home / 61,189,134.40-91,571,125.20-56,087,300.80

Finding the Fourth Proportional to 61,189,134.40, 91,571,125.20 and 56,087,300.80

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Solution

The fourth proportional to 61,189,134.40, 91,571,125.20 and 56,087,300.80 is: 83,936,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189,134.40 : 91,571,125.20 = 56,087,300.80 : x
  2. Step 2: Convert to fraction form
    61,189,134.40/91,571,125.20 = 56,087,300.80/x
  3. Step 3: Cross multiply
    61,189,134.40x = 91,571,125.20 × 56,087,300.80
  4. Step 4: Simplify right side
    61,189,134.40x = 5,135,977,243,686,860
  5. Step 5: Solve for x
    x = 5,135,977,243,686,860/61,189,134.40
  6. Step 6: Final answer
    x = 83,936,099.02

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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.