Home / 90,416,308.54-135,624,462.81-26,590,900.54

Finding the Fourth Proportional to 90,416,308.54, 135,624,462.81 and 26,590,900.54

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Solution

The fourth proportional to 90,416,308.54, 135,624,462.81 and 26,590,900.54 is: 39,886,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,416,308.54 : 135,624,462.81 = 26,590,900.54 : x
  2. Step 2: Convert to fraction form
    90,416,308.54/135,624,462.81 = 26,590,900.54/x
  3. Step 3: Cross multiply
    90,416,308.54x = 135,624,462.81 × 26,590,900.54
  4. Step 4: Simplify right side
    90,416,308.54x = 3,606,376,600,560,562.50
  5. Step 5: Solve for x
    x = 3,606,376,600,560,562.50/90,416,308.54
  6. Step 6: Final answer
    x = 39,886,350.80

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1.5x scale

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.