Home / 123,519,325.68-185,279,421.56-31,403,073.67

Finding the Fourth Proportional to 123,519,325.68, 185,279,421.56 and 31,403,073.67

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Solution

The fourth proportional to 123,519,325.68, 185,279,421.56 and 31,403,073.67 is: 47,104,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,519,325.68 : 185,279,421.56 = 31,403,073.67 : x
  2. Step 2: Convert to fraction form
    123,519,325.68/185,279,421.56 = 31,403,073.67/x
  3. Step 3: Cross multiply
    123,519,325.68x = 185,279,421.56 × 31,403,073.67
  4. Step 4: Simplify right side
    123,519,325.68x = 5,818,343,324,760,104
  5. Step 5: Solve for x
    x = 5,818,343,324,760,104/123,519,325.68
  6. Step 6: Final answer
    x = 47,104,720.60

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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.