Home / 90,619,099.33-135,854,859.61-42,127,535.65

Finding the Fourth Proportional to 90,619,099.33, 135,854,859.61 and 42,127,535.65

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Solution

The fourth proportional to 90,619,099.33, 135,854,859.61 and 42,127,535.65 is: 63,156,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,619,099.33 : 135,854,859.61 = 42,127,535.65 : x
  2. Step 2: Convert to fraction form
    90,619,099.33/135,854,859.61 = 42,127,535.65/x
  3. Step 3: Cross multiply
    90,619,099.33x = 135,854,859.61 × 42,127,535.65
  4. Step 4: Simplify right side
    90,619,099.33x = 5,723,230,441,446,020
  5. Step 5: Solve for x
    x = 5,723,230,441,446,020/90,619,099.33
  6. Step 6: Final answer
    x = 63,156,999.84

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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.