Home / 74,675,987.70-112,005,687.15-61,189,293.30

Finding the Fourth Proportional to 74,675,987.70, 112,005,687.15 and 61,189,293.30

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Solution

The fourth proportional to 74,675,987.70, 112,005,687.15 and 61,189,293.30 is: 91,777,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,675,987.70 : 112,005,687.15 = 61,189,293.30 : x
  2. Step 2: Convert to fraction form
    74,675,987.70/112,005,687.15 = 61,189,293.30/x
  3. Step 3: Cross multiply
    74,675,987.70x = 112,005,687.15 × 61,189,293.30
  4. Step 4: Simplify right side
    74,675,987.70x = 6,853,548,842,289,391
  5. Step 5: Solve for x
    x = 6,853,548,842,289,391/74,675,987.70
  6. Step 6: Final answer
    x = 91,777,143.54

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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.