Home / 81,951,133.60-122,926,700.40-41,136,464.80

Finding the Fourth Proportional to 81,951,133.60, 122,926,700.40 and 41,136,464.80

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Solution

The fourth proportional to 81,951,133.60, 122,926,700.40 and 41,136,464.80 is: 61,704,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,951,133.60 : 122,926,700.40 = 41,136,464.80 : x
  2. Step 2: Convert to fraction form
    81,951,133.60/122,926,700.40 = 41,136,464.80/x
  3. Step 3: Cross multiply
    81,951,133.60x = 122,926,700.40 × 41,136,464.80
  4. Step 4: Simplify right side
    81,951,133.60x = 5,056,769,883,984,746
  5. Step 5: Solve for x
    x = 5,056,769,883,984,746/81,951,133.60
  6. Step 6: Final answer
    x = 61,704,697.20

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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.