Home / 131,926,045.28-197,890,591.46-39,810,581.44

Finding the Fourth Proportional to 131,926,045.28, 197,890,591.46 and 39,810,581.44

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Solution

The fourth proportional to 131,926,045.28, 197,890,591.46 and 39,810,581.44 is: 59,716,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,045.28 : 197,890,591.46 = 39,810,581.44 : x
  2. Step 2: Convert to fraction form
    131,926,045.28/197,890,591.46 = 39,810,581.44/x
  3. Step 3: Cross multiply
    131,926,045.28x = 197,890,591.46 × 39,810,581.44
  4. Step 4: Simplify right side
    131,926,045.28x = 7,878,139,507,528,098
  5. Step 5: Solve for x
    x = 7,878,139,507,528,098/131,926,045.28
  6. Step 6: Final answer
    x = 59,716,331.91

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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.