Home / 65,339,541-90,166,977.36-35,970,638.76

Finding the Fourth Proportional to 65,339,541, 90,166,977.36 and 35,970,638.76

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Solution

The fourth proportional to 65,339,541, 90,166,977.36 and 35,970,638.76 is: 49,638,606.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339,541 : 90,166,977.36 = 35,970,638.76 : x
  2. Step 2: Convert to fraction form
    65,339,541/90,166,977.36 = 35,970,638.76/x
  3. Step 3: Cross multiply
    65,339,541x = 90,166,977.36 × 35,970,638.76
  4. Step 4: Simplify right side
    65,339,541x = 3,243,363,770,697,658.50
  5. Step 5: Solve for x
    x = 3,243,363,770,697,658.50/65,339,541
  6. Step 6: Final answer
    x = 49,638,606.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.