Home / 81,575,131.50-122,317,972.50-32,341,108.68

Finding the Fourth Proportional to 81,575,131.50, 122,317,972.50 and 32,341,108.68

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Solution

The fourth proportional to 81,575,131.50, 122,317,972.50 and 32,341,108.68 is: 48,493,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,575,131.50 : 122,317,972.50 = 32,341,108.68 : x
  2. Step 2: Convert to fraction form
    81,575,131.50/122,317,972.50 = 32,341,108.68/x
  3. Step 3: Cross multiply
    81,575,131.50x = 122,317,972.50 × 32,341,108.68
  4. Step 4: Simplify right side
    81,575,131.50x = 3,955,898,842,139,751.50
  5. Step 5: Solve for x
    x = 3,955,898,842,139,751.50/81,575,131.50
  6. Step 6: Final answer
    x = 48,493,931.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.