Home / 123,642,668.07-185,469,045.84-31,528,795.05

Finding the Fourth Proportional to 123,642,668.07, 185,469,045.84 and 31,528,795.05

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Solution

The fourth proportional to 123,642,668.07, 185,469,045.84 and 31,528,795.05 is: 47,294,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,642,668.07 : 185,469,045.84 = 31,528,795.05 : x
  2. Step 2: Convert to fraction form
    123,642,668.07/185,469,045.84 = 31,528,795.05/x
  3. Step 3: Cross multiply
    123,642,668.07x = 185,469,045.84 × 31,528,795.05
  4. Step 4: Simplify right side
    123,642,668.07x = 5,847,615,534,408,415
  5. Step 5: Solve for x
    x = 5,847,615,534,408,415/123,642,668.07
  6. Step 6: Final answer
    x = 47,294,478.72

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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.