Home / 90,506,858.72-135,761,533.72-25,810,670.76

Finding the Fourth Proportional to 90,506,858.72, 135,761,533.72 and 25,810,670.76

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Solution

The fourth proportional to 90,506,858.72, 135,761,533.72 and 25,810,670.76 is: 38,716,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506,858.72 : 135,761,533.72 = 25,810,670.76 : x
  2. Step 2: Convert to fraction form
    90,506,858.72/135,761,533.72 = 25,810,670.76/x
  3. Step 3: Cross multiply
    90,506,858.72x = 135,761,533.72 × 25,810,670.76
  4. Step 4: Simplify right side
    90,506,858.72x = 3,504,096,248,719,558
  5. Step 5: Solve for x
    x = 3,504,096,248,719,558/90,506,858.72
  6. Step 6: Final answer
    x = 38,716,361.37

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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.