Home / 76,126,256.28-105,051,419.40-41,318,201.64

Finding the Fourth Proportional to 76,126,256.28, 105,051,419.40 and 41,318,201.64

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Solution

The fourth proportional to 76,126,256.28, 105,051,419.40 and 41,318,201.64 is: 57,017,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126,256.28 : 105,051,419.40 = 41,318,201.64 : x
  2. Step 2: Convert to fraction form
    76,126,256.28/105,051,419.40 = 41,318,201.64/x
  3. Step 3: Cross multiply
    76,126,256.28x = 105,051,419.40 × 41,318,201.64
  4. Step 4: Simplify right side
    76,126,256.28x = 4,340,535,729,337,408
  5. Step 5: Solve for x
    x = 4,340,535,729,337,408/76,126,256.28
  6. Step 6: Final answer
    x = 57,017,590.80

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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.