Home / 91,459,361.87-126,210,653.84-51,766,040.87

Finding the Fourth Proportional to 91,459,361.87, 126,210,653.84 and 51,766,040.87

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Solution

The fourth proportional to 91,459,361.87, 126,210,653.84 and 51,766,040.87 is: 71,435,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459,361.87 : 126,210,653.84 = 51,766,040.87 : x
  2. Step 2: Convert to fraction form
    91,459,361.87/126,210,653.84 = 51,766,040.87/x
  3. Step 3: Cross multiply
    91,459,361.87x = 126,210,653.84 × 51,766,040.87
  4. Step 4: Simplify right side
    91,459,361.87x = 6,533,425,864,409,225
  5. Step 5: Solve for x
    x = 6,533,425,864,409,225/91,459,361.87
  6. Step 6: Final answer
    x = 71,435,288.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.