Home / 90,506,860.21-135,761,535.96-25,810,672.24

Finding the Fourth Proportional to 90,506,860.21, 135,761,535.96 and 25,810,672.24

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Solution

The fourth proportional to 90,506,860.21, 135,761,535.96 and 25,810,672.24 is: 38,716,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506,860.21 : 135,761,535.96 = 25,810,672.24 : x
  2. Step 2: Convert to fraction form
    90,506,860.21/135,761,535.96 = 25,810,672.24/x
  3. Step 3: Cross multiply
    90,506,860.21x = 135,761,535.96 × 25,810,672.24
  4. Step 4: Simplify right side
    90,506,860.21x = 3,504,096,507,462,533.50
  5. Step 5: Solve for x
    x = 3,504,096,507,462,533.50/90,506,860.21
  6. Step 6: Final answer
    x = 38,716,363.59

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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.