Home / 81,575,131.24-122,317,972.02-32,341,108.36

Finding the Fourth Proportional to 81,575,131.24, 122,317,972.02 and 32,341,108.36

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Solution

The fourth proportional to 81,575,131.24, 122,317,972.02 and 32,341,108.36 is: 48,493,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,575,131.24 : 122,317,972.02 = 32,341,108.36 : x
  2. Step 2: Convert to fraction form
    81,575,131.24/122,317,972.02 = 32,341,108.36/x
  3. Step 3: Cross multiply
    81,575,131.24x = 122,317,972.02 × 32,341,108.36
  4. Step 4: Simplify right side
    81,575,131.24x = 3,955,898,787,474,268
  5. Step 5: Solve for x
    x = 3,955,898,787,474,268/81,575,131.24
  6. Step 6: Final answer
    x = 48,493,931.02

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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.