Home / 100,096,145.53-138,147,182.74-56,045,983.14

Finding the Fourth Proportional to 100,096,145.53, 138,147,182.74 and 56,045,983.14

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Solution

The fourth proportional to 100,096,145.53, 138,147,182.74 and 56,045,983.14 is: 77,351,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096,145.53 : 138,147,182.74 = 56,045,983.14 : x
  2. Step 2: Convert to fraction form
    100,096,145.53/138,147,182.74 = 56,045,983.14/x
  3. Step 3: Cross multiply
    100,096,145.53x = 138,147,182.74 × 56,045,983.14
  4. Step 4: Simplify right side
    100,096,145.53x = 7,742,594,674,906,690
  5. Step 5: Solve for x
    x = 7,742,594,674,906,690/100,096,145.53
  6. Step 6: Final answer
    x = 77,351,576.66

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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.