Home / 51,502,155.22-77,241,247.97-19,169,284.78

Finding the Fourth Proportional to 51,502,155.22, 77,241,247.97 and 19,169,284.78

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Solution

The fourth proportional to 51,502,155.22, 77,241,247.97 and 19,169,284.78 is: 28,749,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,502,155.22 : 77,241,247.97 = 19,169,284.78 : x
  2. Step 2: Convert to fraction form
    51,502,155.22/77,241,247.97 = 19,169,284.78/x
  3. Step 3: Cross multiply
    51,502,155.22x = 77,241,247.97 × 19,169,284.78
  4. Step 4: Simplify right side
    51,502,155.22x = 1,480,659,479,099,527
  5. Step 5: Solve for x
    x = 1,480,659,479,099,527/51,502,155.22
  6. Step 6: Final answer
    x = 28,749,466.36

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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.