Home / 81,575,133.12-122,317,974.96-32,341,110.48

Finding the Fourth Proportional to 81,575,133.12, 122,317,974.96 and 32,341,110.48

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Solution

The fourth proportional to 81,575,133.12, 122,317,974.96 and 32,341,110.48 is: 48,493,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,575,133.12 : 122,317,974.96 = 32,341,110.48 : x
  2. Step 2: Convert to fraction form
    81,575,133.12/122,317,974.96 = 32,341,110.48/x
  3. Step 3: Cross multiply
    81,575,133.12x = 122,317,974.96 × 32,341,110.48
  4. Step 4: Simplify right side
    81,575,133.12x = 3,955,899,141,871,233.50
  5. Step 5: Solve for x
    x = 3,955,899,141,871,233.50/81,575,133.12
  6. Step 6: Final answer
    x = 48,493,934.25

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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.