Home / 92,021,785.91-138,022,448.12-32,931,781.67

Finding the Fourth Proportional to 92,021,785.91, 138,022,448.12 and 32,931,781.67

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Solution

The fourth proportional to 92,021,785.91, 138,022,448.12 and 32,931,781.67 is: 49,394,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,021,785.91 : 138,022,448.12 = 32,931,781.67 : x
  2. Step 2: Convert to fraction form
    92,021,785.91/138,022,448.12 = 32,931,781.67/x
  3. Step 3: Cross multiply
    92,021,785.91x = 138,022,448.12 × 32,931,781.67
  4. Step 4: Simplify right side
    92,021,785.91x = 4,545,325,127,474,128
  5. Step 5: Solve for x
    x = 4,545,325,127,474,128/92,021,785.91
  6. Step 6: Final answer
    x = 49,394,011.24

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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.